Question 14 of 20
1 Point
Which of the following best describes significant figures?
O
A. The exactness of a measurement
O
B. The digits in a quantity that are known with certainty, plus one
estimated digit
C. How close a measured quantity is to its actual value
O
D. An approximate guess or rough calculation

The answer is C. How close a measured quantity is to its actual value

The significant figures of a number are digits that carry meaning contributing to its measurement resolution. The basic concept of significant figures is often used in connection with rounding. Rounding to significant figures is a more general-purpose technique than rounding to n decimal places, since it handles numbers of different scales in a uniform way.

explanation:

the masses of the objects and the distance between them

hi there!

out of the two, (b) precision would be more reasonable.   however, both a and b could be pretty reasonable.

-awesomerepublic   : )