Question

perform the given operation and report the answer with the appropriate number of significant figures. 1.307 m + 45.2 m = ______ m

Explanation:

Step1: Perform addition

$1.307+45.2 = 46.507$

Step2: Determine significant - figures for addition

When adding, we look at the decimal place. 45.2 has one decimal place. So we round 46.507 to one decimal place.
$46.507\approx46.5$

Answer:

$46.5$