Quantities and Units - General Questions (2)

Directions to Solve

Quantities and Units - General Questions

When using the terms "accuracy" and "precision" for measurements

A.	"precision" implies less measurement error than "accuracy"
B.	"accuracy" implies less measurement error than "precision"
C.	"precision" measures the repeatability of a measurement
D.	both terms mean the same thing

Answer: Option C

Explanation:

No answer description available for this question.

10.

Adding 27.5 × 10³ to 8.9 × 10⁴ equals

A.	36.4 × 107
B.	116.5 × 104
C.	28.39 × 103
D.	1.165 × 105

Answer: Option D

Explanation:

No answer description available for this question

11.

Another name for "fundamental units" is

A.	base units
B.	atoms
C.	the metric system
D.	letter symbols

Answer: Option A

Explanation:

No answer description available for this question

12.

A measure of the repeatability of a measurement of some quantity is

A.	error
B.	precision
C.	accuracy
D.	significant

Answer: Option B

Explanation:

No answer description available for this question

13.

7200 mV is the same as

A.	7.2 V
B.	7.2 V
C.	7,200,000 V
D.	0.0072 V

Answer: Option B

Explanation:

No answer description available for this question

14.

If you drop a 5 when rounding a number, you are using the

A.	round-to-even rule
B.	significant digit rule
C.	round-off rule
D.	retained digit rule

Answer: Option A

Explanation:

No answer description available for this question

15.

Scientific notation is a method

A.	of expressing a very large number
B.	of expressing a very small number
C.	used to make calculations with large and small numbers
D.	All of the above

Answer: Option D

Explanation:

No answer description available for this question

16.

Which of the following metric prefixes could replace 10^–9?

A.	Nano
B.	Mega
C.	Kilo
D.	Micro

Answer: Option A

Explanation:

No answer description available for this question.

Quantities and Units - General Questions (2)

Quantities and Units - General Questions

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