Question

perform the calculation and report your answer using sig figs. 657.70 - 26.543 answer numeric 1 point perform the calculation and report your answer using sig figs. 35.6 + 4.31 answer numeric 1 point perform the calculation and report your answer using sig figs. 4.681/5.21 answer

Explanation:

Step1: Calculate 657.70 - 26.543

When subtracting, line up the decimal - points: $657.70−26.543 = 631.157$. Since 657.70 has two decimal places, we round the result to two decimal places. So, the result is 631.16.

Step2: Calculate 35.6 + 4.31

Line up the decimal - points: $35.6+4.31 = 39.91$. Since 35.6 has one decimal place, we round the result to one decimal place. So, the result is 39.9.

Step3: Calculate 4.681/5.21

$4.681\div5.21=\frac{4.681}{5.21}\approx0.898464$. Since 5.21 has three significant figures, we round the result to three significant figures. So, the result is 0.898.

Answer:

631.16
39.9
0.898