The diameter of a single human hair is. 000025 meters. rewrite this number in scientific notation.

blank x 10 ^ (blank) meters

2.5 * 10^-5

Step-by-step explanation:

2.5 * 10^-5

If the number is between 1 and - 1 excluding 0. Then

count the number of zeros

add 1 more

write the notation of where you put the decimal place

The power is minus and equal to the number of zeros + 1

0.000025

zeros: the number of zeros = 4

Add 1: 4 + 1 = 5

Decimal goes between the 2 and the 5

2.5

Power: = - 5

Answer: 2.5 * 10^-5