Question

select the correct answer. what is the solution to the problem expressed to the correct number of significant figures? (102900÷12)+(170×1.27)=? a. 8790 b. 8790.9 c. 8791 d. 8800

Explanation:

Step1: Calculate division

$102900\div12 = 8575$

Step2: Calculate multiplication

$170\times1.27=215.9$

Step3: Calculate sum

$8575 + 215.9=8790.9$

Since 170 has 2 significant - figures, the final answer should be rounded to 2 significant - figures. Rounding 8790.9 to 2 significant - figures gives 8800.

Answer:

D. 8,800