Question

a gas pump measures the volume of gas to the nearest 0.1 gallon. which measurement shows an appropriate level of precision for the pump?

Answer 1

As the least count or zero error is 0.1 so it can measure only upto one decimal place so answer will be 12.3

Answer 2

Option D.12.3 gallons

Explanation:

A gas pump measures the volume of gas to the nearest 0.1 gallon.

That means gas pump is measuring the volume to the nearest tenth place of the decimal.

Therefore, the measurement which is nearest to the tenth place of decimal will be the answer.

In Option A. 12.33 gallons

Measured volume of gas is nearest to the hundredth place of the decimal.

Therefore, incorrect option.

Option B. 10 gallons

No decimal place so incorrect option.

Option C. 12 gallons

Measured with no decimal place. Incorrect option.

Option D. 12.3 gallons

Measured in tenth place of decimal. Therefore, correct option.

Option D. 12.3 gallons shows the most appropriate level of precision for the pump.