Question

Select the answer that expresses the result of this calculation with the correct number of significant figures. 13.602 x 1.90 x 3.06 -------------------------------- 4.2 x 1.4097 13.3568 13.357 13.36 13.4 13

Answer 1

Solution:

Given expression:  ($\frac{13.602*1.90*3.06}{4.2*1.4097}  $)

= $\frac{79.1}{5.9}  $

= 13

In the expression of 13.602*1.90*3.06 will have only 3 significant figure because the number 1.90 has only 3 significant figure .

In the expression of 4.2*1.4097 will have only 2 significant figure because the number 4.2 has only 2 significant figure.

In the result of 79.1/5.9 will have only 2 significant figure because the number  5.9 has only 2 significant figure.

Hence, in the result there are only 2 significant figure.