Question

add 92.2 km to 9.426 km and report the answer in km. 92.2 km + 9.426 km = ____ km hmm, that wasnt the right answer. lets give it one more try.

Explanation:

Step1: Perform addition

$92.2+9.426 = 101.626$

Step2: Apply significant - figure rules

In addition and subtraction, we look at the decimal place of the least - precise number. 92.2 has one decimal place, while 9.426 has three decimal places. We round the result to one decimal place. So, 101.626 rounds to 101.6 km.

Answer:

101.6 km