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If 8^m = 32 then what is the value of m?

+2 votes
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If 8^m = 32 then what is the value of m?
posted Oct 10, 2014 by anonymous

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2 Answers

+1 vote

8 ^ m =32
( 2^ 3) ^ m =32
2 ^ (3 * m) =32
2 ^ (3m) =( 2^ 5)
2 ^(3m) = 2 ^ 5

on comparing 3m=5
=>

    m= 5 /3
answer Oct 31, 2014 by Dheeraj Kumar
0 votes

8^m=32 ---> m log8=log32 --->3m log2 = 5 log2 ---> 3m=5 so m=5/3

answer Oct 19, 2015 by Parlin Simanjuntak



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