Ch. 3.1 Measurements & Their Uncertainty - Part 1

Ch. 3.1 - Part 1

Measurements & Their Uncertainty

Multiple Choice

Scientific notation expresses a value as the product of a number between 1 and 10 and

• raised to a power of 10

• squared

• cubed

• multiplied by 10

Multiple Choice

Select the letter of the value that is expressed as 3 x 10⁵

• 300

• 300,000

• 30,000,000

• 300,000,000

Multiple Choice

Select the choice of the notation that 0.00025 could be expressed as.

• 2.5 x 10³

• 2.5 x 10^-4

• 25 x 10^-5

• 2.5 x 10⁴

Multiple Choice

True or False? Precision is a measure of how close one measurement is to another.

• True

• False

Open Ended

Describe the difference between precision and accuracy.