Question

The diameter of a small grain of sand is about 0.00002 meters, which can be

written as 2 x 10" meters. What is n?
A. -4
B. -5
c. 5
D. 4

Answer 1

Answer: -5

Explanation:

Apex

Answer 2

• B. -5

Explanation:

Given number:

• 0.00002 meters = 2×0.00001 meters = 2×10^-5 meters

So n = -5

Correct option is:

• B. -5