`14.90+0.0070+1.0+0.081=15.9880`. The sum to proper number of significant digit is

Options

A. `15.9`
B. `16.0`
C. `15.99`
D. `16`

Answer

B

Explanation

`{:(14.9,+0.0070,+1.0,+0.081,=15.9880),("Two D.P.","Four D.P.","One D.P.","Three D.P.",):}`
The answer is to be reported to one decimal place, Therefore correct answer, after rounding off, is 16.0