Question

56 x 10^-4)

Group of answer choices

2.37 x 10^-16

4.21 x 10^15

2.4 x 10^-16

4.2 x 10^15

Answer 1

9514 1404 393

Answer:

(d) 4.2×10^15

Explanation:

Your calculator will tell you the quotient is about ...

4.21348...×10^15

The least precise number in the division is 1.5, which has 2 significant digits. Therefore, the result should be rounded to 2 significant digits:

4.2×10^15