Question

subtract the following numbers, and give your answer with the correct number of significant figures. 1387.11 - 928.321 - 58 =

a 401

b 400.789

c 400.78

d 400.7892

e 400.7

Explanation:

Step1: Perform subtraction

$1387.11 - 928.321 - 58=(1387.11 - 928.321)-58 = 458.789 - 58$

Step2: Continue subtraction

$458.789 - 58 = 400.789$

Step3: Determine significant - figures

The number 58 has the least number of decimal places (0 decimal places). So, the result should be rounded to 0 decimal places. Rounding 400.789 to 0 decimal places gives 401.

Answer:

A. 401