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

blank x 10 ^(blank) meters

User Bennie J
by
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1 Answer

3 votes

Answer:

2.5 * 10^-5

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

User Sebastian Weber
by
7.8k points