Question 1

How many hundreds, tens, and ones are in the following sum? $\begin{array} { r } 
441 \
+ 607 \
\hline
\end{array}$

Accepted Answer

A)  1; 4; 8 
B)  10; 4; 8 
C)  4; 8; 1 
D)  8; 4; 10 
E)  None of these 
A)  1; 4; 8 
B)  10; 4; 8 
C)  4; 8; 1 
D)  8; 4; 10 
E)  None of these

Question 2

Simplify the following and write your answers in scientific notation.
-$\frac { \left( 9.8 \times 10 ^ { 11 } \right) \left( 2.6 \times 10 ^ { - 12 } \right) } { 22.4 \times 10 ^ { 33 } }$

Accepted Answer

A)  $1.1375 \times 10 ^ { - 33 }$ 
B)  $1.1375 \times 10 ^ { - 34 }$ 
C)  $113.75 \times 10 ^ { - 34 }$ 
D)  $1.1375 \times 10 ^ { 34 }$ 
E)  None of these 
A)  $1.1375 \times 10 ^ { - 33 }$ 
B)  $1.1375 \times 10 ^ { - 34 }$ 
C)  $113.75 \times 10 ^ { - 34 }$ 
D)  $1.1375 \times 10 ^ { 34 }$ 
E)  None of these

Question 3

Simplify each expression, first as a base to a single power, then, if possible, as a decimal.
-$\frac { 4 ^ { 7 } } { 4 ^ { 2 } }$

Accepted Answer

The answer of Simplify each expression, first as a base...

Question 4

Simplify each expression, first as a base to a single power, then, if possible, as a decimal.
-$5 ^ { 3 } \cdot x ^ { 23 } \cdot x ^ { 32 }$

Accepted Answer

A)  $125 x ^ { 55 }$ 
B)  $25 x ^ { 55 }$ 
C)  $125 x ^ { 65 }$ 
D)  $25 x ^ { 56 }$ 
E)  None of these 
A)  $125 x ^ { 55 }$ 
B)  $25 x ^ { 55 }$ 
C)  $125 x ^ { 65 }$ 
D)  $25 x ^ { 56 }$ 
E)  None of these

Question 5

Determine the number of significant digits.
-0.0841

Accepted Answer

The answer of Determine the number of significant digits.
-0.0841...

Question 6

Use dimensional analysis to answer the following.
-The winner of a drag race had a time of 4.52 seconds. The length of the track is one quarter mile. Find the approximate Average speed of the winning car.

Accepted Answer

A)  $3.3 \frac { \text { miles } } { \text { hour } }$ 
B)  $79.6 \frac { \text { miles } } { \text { hour } }$ 
C)  $199 \frac { \text { miles } } { \text { hour } }$ 
D)  $1085 \frac { \text { miles } } { \text { hour } }$ 
E)  None of these 
A)  $3.3 \frac { \text { miles } } { \text { hour } }$ 
B)  $79.6 \frac { \text { miles } } { \text { hour } }$ 
C)  $199 \frac { \text { miles } } { \text { hour } }$ 
D)  $1085 \frac { \text { miles } } { \text { hour } }$ 
E)  None of these

Question 7

Convert each number into decimal notation.
-$5.61 \times 10 ^ { - 6 }$

Accepted Answer

A)  0.000000561 
B)  0.00000561 
C)  0.0000561 
D)  0.000561 
E)  None of these 
A)  0.000000561 
B)  0.00000561 
C)  0.0000561 
D)  0.000561 
E)  None of these

Question 8

Write each decimal number in scientific notation.
-5,784,900,000

Accepted Answer

A)  $5.7849 \times 10 ^ { 8 }$ 
B)  $5.7849 \times 10 ^ { 9 }$ 
C)  $5.7849 \times 10 ^ { 10 }$ 
D)  $5.7849 \times 10 ^ { - 9 }$ 
E)  None of these 
A)  $5.7849 \times 10 ^ { 8 }$ 
B)  $5.7849 \times 10 ^ { 9 }$ 
C)  $5.7849 \times 10 ^ { 10 }$ 
D)  $5.7849 \times 10 ^ { - 9 }$ 
E)  None of these

Question 9

How any hundreds, tens, and ones are in the following sum? $\begin{array} { r } 
174 \
+ 566 \
\hline
\end{array}$

Accepted Answer

7 hundreds

Question 10

Convert each number into decimal notation.
-$8.86 \times 10 ^ { 8 }$

Accepted Answer

The answer of Convert each number into decimal notation.
-\(8.86 \times...

Question 11

Use your calculator to evaluate the following expressions. If the value is not exact, round your answer to four decimal places.
-$2 \sqrt { 7 }$

Accepted Answer

The answer of Use your calculator to evaluate the following...

Question 12

Convert each number into decimal notation.
-$10.22 \times 10 ^ { 5 }$

Accepted Answer

The answer of Convert each number into decimal notation.
-\(10.22 \times...

Question 13

Use your calculator to evaluate the following expressions. If the value is not exact, round
your answer to four decimal places.
-$\frac { \pi } { 2 }$

Accepted Answer

The answer of Use your calculator to evaluate the following...

Question 14

Write each decimal number in scientific notation.
-850.23

Accepted Answer

The answer of Write each decimal number in scientific notation.
-850.23...

Question 15

Write the following expressions so that no answer includes negative exponents.Assume the variables are nonzero.
-$( 5 x ) \left( 4 x ^ { 2 } \right) ^ { 2 }$

Accepted Answer

A)  $40 x ^ { 5 }$ 
B)  $20 x ^ { 5 }$ 
C)  $160 x ^ { 6 }$ 
D)  $80 x ^ { 5 }$ 
E)  None of these 
A)  $40 x ^ { 5 }$ 
B)  $20 x ^ { 5 }$ 
C)  $160 x ^ { 6 }$ 
D)  $80 x ^ { 5 }$ 
E)  None of these

Question 16

Write the following expressions so that no answer includes negative exponents. Assume the variables are nonzero.
-$\frac { 2 t ^ { 7 } } { t ^ { - 2 } }$

Accepted Answer

The answer of Write the following expressions so that no...

Question 17

Use dimensional analysis to answer the following.
-Assume that a man spends 20 minutes per day in the shower. Approximately how many hours does the man spend in the Shower during his lifetime if his life expectancy is 84 years?
A year has about 365 days, and a day is about 24 hours.

Accepted Answer

A)  170 hours 
B)  10,220 hours 
C)  1533 hours 
D)  613,200 hours 
E)  None of these 
A)  170 hours 
B)  10,220 hours 
C)  1533 hours 
D)  613,200 hours 
E)  None of these

Question 18

Write the following expressions so that no answer includes negative exponents. Assume the variables are nonzero.
-$\frac { x ^ { 13 } } { x ^ { - 12 } }$

Accepted Answer

The answer of Write the following expressions so that no...

Question 19

Write the following expressions so that no answer includes negative exponents.Assume the variables are nonzero.
-$3 ^ { - 3 }$

Accepted Answer

A) -9 
B)  27 
C)  $\frac { 1 } { 9 }$ 
D)  $\frac { 1 } { 27 }$ 
E)  None of these 
A) -9 
B)  27 
C)  $\frac { 1 } { 9 }$ 
D)  $\frac { 1 } { 27 }$ 
E)  None of these

Question 20

Use your calculator to evaluate the following expressions. If the value is
not exact, round your answer to four decimal places.
-$\frac { \pi ^ { 2 } } { 4 }$

Accepted Answer

A)  $2.4649$ 
B)  $2.4674$ 
C)  $0.7854$ 
D)  $2.4673$ 
E)  None of these 
A)  $2.4649$ 
B)  $2.4674$ 
C)  $0.7854$ 
D)  $2.4673$ 
E)  None of these

How many hundreds, tens, and ones are in the following sum? 441 +607

Simplify the following and write your answers in scientific notation. - $\frac { \left( 9.8 \times 10 ^ { 11 } \right) \left( 2.6 \times 10 ^ { - 12 } \right) } { 22.4 \times 10 ^ { 33 } }$

Simplify each expression, first as a base to a single power, then, if possible, as a decimal. - $\frac { 4 ^ { 7 } } { 4 ^ { 2 } }$

Simplify each expression, first as a base to a single power, then, if possible, as a decimal. - $5 ^ { 3 } \cdot x ^ { 23 } \cdot x ^ { 32 }$

Determine the number of significant digits. -0.0841

Use dimensional analysis to answer the following. -The winner of a drag race had a time of 4.52 seconds. The length of the track is one quarter mile. Find the approximate Average speed of the winning car.

Convert each number into decimal notation. - $5.61 \times 10 ^ { - 6 }$

Write each decimal number in scientific notation. -5,784,900,000

How any hundreds, tens, and ones are in the following sum? 174 +566

Convert each number into decimal notation. - $8.86 \times 10 ^ { 8 }$

Use your calculator to evaluate the following expressions. If the value is not exact, round your answer to four decimal places. - $2 \sqrt { 7 }$

Convert each number into decimal notation. - $10.22 \times 10 ^ { 5 }$

Use your calculator to evaluate the following expressions. If the value is not exact, round your answer to four decimal places. - $\frac { \pi } { 2 }$

Write each decimal number in scientific notation. -850.23

Write the following expressions so that no answer includes negative exponents.Assume the variables are nonzero. - $( 5 x ) \left( 4 x ^ { 2 } \right) ^ { 2 }$

Write the following expressions so that no answer includes negative exponents. Assume the variables are nonzero. - $\frac { 2 t ^ { 7 } } { t ^ { - 2 } }$

Use dimensional analysis to answer the following. -Assume that a man spends 20 minutes per day in the shower. Approximately how many hours does the man spend in the Shower during his lifetime if his life expectancy is 84 years? A year has about 365 days, and a day is about 24 hours.

Write the following expressions so that no answer includes negative exponents. Assume the variables are nonzero. - $\frac { x ^ { 13 } } { x ^ { - 12 } }$

Write the following expressions so that no answer includes negative exponents.Assume the variables are nonzero. - $3 ^ { - 3 }$

Use your calculator to evaluate the following expressions. If the value is not exact, round your answer to four decimal places. - $\frac { \pi ^ { 2 } } { 4 }$

Binary Numbers

Octal and Hexadecimal Numbers

Sets and Algebra

Boolean Circuits

Graphs

Computer Science and Mathematics

Filters

Exam 1: Computation

How many hundreds, tens, and ones are in the following sum? 441 +607

Simplify the following and write your answers in scientific notation. - (9.8×1011)(2.6×10−12)22.4×1033\frac { \left( 9.8 \times 10 ^ { 11 } \right) \left( 2.6 \times 10 ^ { - 12 } \right) } { 22.4 \times 10 ^ { 33 } }22.4×1033(9.8×1011)(2.6×10−12)​

Simplify each expression, first as a base to a single power, then, if possible, as a decimal. - 4742\frac { 4 ^ { 7 } } { 4 ^ { 2 } }4247​

Simplify each expression, first as a base to a single power, then, if possible, as a decimal. - 53⋅x23⋅x325 ^ { 3 } \cdot x ^ { 23 } \cdot x ^ { 32 }53⋅x23⋅x32