Question

state the number of significant digits and the implied precision of the given number. 63.75 km/s
the number 63.75 has 4 significant digit(s) (type a whole number.)
what is the implied precision of the number 63.75 km/s?
a. the number is precise to the nearest kilometer per second.
b. the number is precise to the nearest hundredth of a kilometer per second.
c. the number is precise to the nearest thousandth of a kilometer per second.
d. the number is precise to the nearest tenth of a kilometer per second.

Explanation:

Step1: Analyze decimal places

The number 63.75 has two digits after the decimal point.

Step2: Determine precision

The last digit 5 is in the hundredths - place. So the number is precise to the nearest hundredth of a kilometer per second.

Answer:

B. The number is precise to the nearest hundredth of a kilometer per second.