Question

The proper value of significant figures in $38.0+0.0035+0.00003$ is:

• A. 38
• B. 38.0035
• C. 38.00353
• D. 38

Answer 1

The correct option is D 38

The value of the sum $38.0+0.0035+0.00003=38.00353$

Since the digit has $38.0$ has only $1$ significant figure after the decimal, so the final answer must also have $1$ significant figure after the decimal.

So, the proper value of the sum is $38.0$