Question

use the following measurement devices to answer the question
a: a ruler with marks every 0.1 cm
b: a ruler with marks every 0.01 cm
c: a ruler with marks at every 1 cm
d:a ruler with marks every 10 cm
the following measurement was recorded with the correct number of significant digits with the above measurement devices. select which device was used to make the measurement 3.10 cm.

Explanation:

Step1: Understand significant - digits rule

The measurement 3.10 cm has three significant digits. The last digit (0 in this case) is an estimated digit.

Step2: Analyze ruler precision

A ruler with marks every 0.01 cm can measure to the hundred - th of a centimeter. This allows for a measurement like 3.10 cm where the 0 is in the hundredths place and is an estimated digit within the precision of the ruler.

Answer:

B. A ruler with marks every 0.01 cm