Exam 3: Numbers in the Real World

arrow
  • Select Tags
search iconSearch Question
flashcardsStudy Flashcards
  • Select Tags

Use scientific notation to solve the problem. -The earth is approximately 92,900,00092,900,000 miles from the sun. If 1 mile =1.61×103 m= 1.61 \times 10 ^ { 3 } \mathrm {~m} , what is the distance to the sun in meters?

(Multiple Choice)
4.9/5
(28)

Solve the problem. -The table below shows the result of a polygraph test conducted on 2000 college students. Students were asked whether they had ever cheated on a test. All of them denied having cheated. Use the Table to answer the question. Solve the problem. -The table below shows the result of a polygraph test conducted on 2000 college students. Students were asked whether they had ever cheated on a test. All of them denied having cheated. Use the Table to answer the question.   What percentage of those that were found to be truthful were actually lying ? What percentage of those that were found to be truthful were actually lying ?

(Multiple Choice)
4.8/5
(35)

Determine ratio of A to B. Round as indicated. - A=36πA = 36 \pi square inches is the area of a circle with diameter 12 inches. B=144B = 144 square inches is the area of a square with sides of length <12< 12 inches. (Do not round.)

(Multiple Choice)
4.9/5
(28)

True or false? -If the value of my home has tripled since I bought it, that means its value has increased by 300%.

(True/False)
4.8/5
(25)

Round to the indicated place value. -Round to the nearest thousandth: 1.1983

(Multiple Choice)
4.8/5
(43)

Use the appropriate rounding rule to answer the question with the correct precision or correct number of significantdigits. -You have covered 72.6 miles of a 1600 mile journey. How much further do you have to go?

(Multiple Choice)
4.8/5
(28)

Write as a percent. - 9640\frac { 96 } { 40 }

(Multiple Choice)
4.9/5
(35)

Measurements are made at two different times. Find the absolute change and then find the percentage change. Roundanswers to the nearest tenth if necessary. -The population of Placerville grew from 4360 a decade ago to 6590 today.

(Multiple Choice)
4.8/5
(28)

Solve the problem. -The table below shows the number of people testing positive for a certain disease amongst those who do have the disease and amongst those who don't. Use the table to answer the question. Test positive Test negative Total Disease 108 12 120 No disease 1105 8775 9880 Total 1213 8787 10,000 What percentage of those that have the disease tested positive?

(Multiple Choice)
4.9/5
(34)

Solve the problem. -In a local election, 46,800 people voted. This was a decrease of 12% over the last election. How many people voted in the last election?

(Multiple Choice)
4.9/5
(33)

Use scientific notation to perform the following operations. Leave your answer in scientific notation. - (8×108)(5×107)\left( 8 \times 10 ^ { 8 } \right) - \left( 5 \times 10 ^ { 7 } \right)

(Multiple Choice)
4.8/5
(36)

Solve the problem. Round your answer to the nearest tenth unless otherwise indicated. -Last week, Brian earned $355 while Lucy earned $580. $355 is what percentage of $580?

(Multiple Choice)
4.8/5
(36)

True or false? -It is possible for one person's weight to be 500% more than another person's weight.

(True/False)
4.8/5
(32)

Answer the question. -In the 1980s, the population of Pleasanton decreased by 10%. In the 1990s, its population increased by 30%. How does the population of Pleasanton at the end of the 1990s compare with its Population in 1980?

(Multiple Choice)
4.8/5
(33)

Write the number in scientific notation. -4500 million

(Multiple Choice)
4.9/5
(40)

Use the Consumer Price Index below to answer the question. Average Annual Consumer Price Index (1982-1984=100) Year CPI Year CPI Year CPI 1986 109.6 1995 152.4 2004 188.9 1987 113.6 1996 156.9 2005 195.3 1988 118.3 1997 160.5 2006 201.6 1989 124.0 1998 163.0 2007 207.3 1990 130.7 1999 166.6 2008 215.3 1991 136.2 2000 172.2 2009 214.5 1992 140.3 2001 177.1 2010 218.1 1993 144.5 2002 179.9 2011 224.9 1994 148.2 2003 184.0 2012 229.6 -Find the inflation rate from 1990 to 1991.

(Multiple Choice)
4.8/5
(41)

Use the Consumer Price Index below to answer the question. Average Annual Consumer Price Index (1982-1984 = 100) Year CPI Year CPI Year CPI 1986 109.6 1995 152.4 2004 188.9 1987 113.6 1996 156.9 2005 195.3 1988 118.3 1997 160.5 2006 201.6 1989 124.0 1998 163.0 2007 207.3 1990 130.7 1999 166.6 2008 215.3 1991 136.2 2000 172.2 2009 214.5 1992 140.3 2001 177.1 2010 218.1 1993 144.5 2002 179.9 2011 224.9 1994 148.2 2003 184.0 2012 229.6 -A meal in a restaurant cost $45 in 2000. What was its price in 1992 dollars?

(Multiple Choice)
4.8/5
(31)

Determine by what factor the numbers differ. In other words, determine how many times larger the first number is thanthe second. - 5.6×108,1.4×1045.6 \times 10 ^ { 8 } , 1.4 \times 10 ^ { - 4 }

(Multiple Choice)
4.9/5
(30)

Determine ratio of A to B. Round as indicated. - A=18A = 18 and B=3B = 3 (Do not round.)

(Multiple Choice)
4.8/5
(36)

True or false? -It is possible for one person's weight to be 148% less than another person's weight.

(True/False)
4.9/5
(32)
Showing 181 - 200 of 290
close modal

Filters

  • Essay(0)
  • Multiple Choice(0)
  • Short Answer(0)
  • True False(0)
  • Matching(0)