Math, asked by namannimade2356, 22 hours ago

What power of 30 will exactly divide 128

Answers

Answered by amitnrw
0

Given :  What power of 30 will exactly divide 128

To Find : Power of 30

Solution:

Let say power n of 30 will exactly divide 128

30ⁿ = ( 2 * 3 * 5)ⁿ  = 2ⁿ * 3ⁿ * 5ⁿ

128 = 2 * 2 * 2 * 2 * 2 * 2 * 2

=> 128 = 2⁷

=> n = 7

Hence power 7 of 30 will exactly divide 128

30 = 2⁷ * 3⁷ * 5⁷

=>  2⁷ * 3⁷ * 5⁷ / 128   = (15)⁷  

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