Question

Eleanor used a ruler to report the length of a

piece of wood as 9.7 inches.

Part A:
What is the range of values in inches for the
actual measurement of the piece of wood?

Part B :
How many significant digits does the measurement have?

Answer 1

Part A: The actual measurement of the piece of wood could be between 9.65 and 9.75 inches.

Part B: The measurement has three significant digits.

Explanation:

Significant digits are the digits in a number that carry meaning in terms of the precision or accuracy of the measurement. In this case, the number 9.7 has three significant digits, which means that the measurement is accurate to the tenths place.