Question

Use scientific notation to express the diameter of a human hair that measures 0.0018 centimeters. A) 1.8 X 10-3 B) 1.8 X 10-4 C) 1.8 X 103 D) 1.8 X 104

Answer 1

0.0018

Move the decimal place two places to the right.

1.8*10^3

Answer 2

The correct answer is A) 1.8 * 10^-3

Explanation: