Question

What is the solution to the problem expressed to the correct number of significant figures? 2.13 + 1 = ? A. 3 B. 3.0 C. 3.1 D. 3.13

Answer 1

The correct answer is D. 3.13

That is 2.13 + 1 = 3.13

1 stands for 1.00 that is when  2.13 is added to 1.00, the addition results in 3.13. that is the answer to the correct number of significant figures.

So, the answer is D. 3.13, that is when  2.13 added to 1.00 it results in  3.13.

To the correct number of significant figures, the answer will be  3.13