Question

calculate the following using proper number of significant figures: 0.0702 ÷ 1.35
a 0.0500
b 0.0520
c 0.0400
d 0.0450

Explanation:

Step1: Perform the division

$0.0702\div1.35 = 0.052$

Step2: Determine significant - figures

The number 0.0702 has 3 significant figures and 1.35 has 3 significant figures. In division, the result should have the same number of significant figures as the number with the least significant figures among the values being divided. So the result 0.052 should be written as 0.0520 to have 3 significant figures.

Answer:

B. 0.0520