Question 1

0.00015 can be expressed in powers of ten as 1.5 × 10-4.

Accepted Answer

A) True 
 B)False  True

Question 2

In engineering notation 0.0047 is expressed as 4.7 × 10-3.

Accepted Answer

A) True 
 B)False  True

Question 3

The value 1.2 × 10-6 can be expressed as ________.

Accepted Answer

A)  1.2 m or milli 
B)  1.2 M or Meg 
C)  0.00012 
D)  1.2 ? or micro D

Question 4

Convert 0.00047 microfarads (?F) to the equivalent picofarads (pF).

Accepted Answer

A)  47 pF 
B)  0.47 pF 
C)  470 pF 
D)  4.7 pF

Question 5

Determine the correct calculation.

Accepted Answer

A)  5600 × (9.6 × 10-7) = 5.376 milli 
B)  89.4 k × 1.2 m = 1.072 km 
C)  4.7 m ÷ 1.24 = .379 m 
D)  5.6 ÷ 17 m = 32.9 m

Question 6

If you are trying to enter the number 16,000 into your calculator, a correct entry is ________.

Accepted Answer

A)  1.6 03 
B)  1.6 05 
C)  1.6 04 
D)  1.6 02

Question 7

In engineering notation, 82,500 is expressed as 8.25 × 103.

Accepted Answer

A) True 
 B)False

Question 8

86,000 expressed in scientific notation equals ________.

Accepted Answer

A)  860 × 102  
B)  8.6 × 103  
C)  8.6 × 104  
D)  8.6 × 10-4

Exam 1: Quantities and Units

0.00015 can be expressed in powers of ten as 1.5 × 10^-⁴.