subtract the following numbers, and give your answer with the correct number of significant figures. 1387.11…

subtract the following numbers, and give your answer with the correct number of significant figures. 1387.11 - 928.321 - 58 = ____ a 400.7892 b 400.78 c 401 d 400.7 e 400.789

subtract the following numbers, and give your answer with the correct number of significant figures. 1387.11 - 928.321 - 58 = ____ a 400.7892 b 400.78 c 401 d 400.7 e 400.789

Answer

Explanation:

Step1: First subtraction

$1387.11 - 928.321=458.789$

Step2: Second subtraction

$458.789 - 58 = 400.789$

Step3: Significant - figures consideration

The number 58 has two significant figures. When subtracting, we round the final result to the same precision as the least - precise number involved in the calculation. So, $400.789$ rounds to 401 with three significant figures.

Answer:

C. 401