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Exponent multiplication

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Senior | Next Rank: 100 Posts
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by parkman » Sun May 01, 2011 2:34 pm
This is probably a simple question, but I havent found any similar problems with which to compare it in my studies

if (1/5)^m(1/4)^18 = 1/(2(10)^35), then m = ?
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by srcc25anu » Sun May 01, 2011 2:45 pm
IMO m=35

1/5^m * (1/2^36) = 1 / (2^36 * 5^35)
hence m=35
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by parkman » Sun May 01, 2011 3:22 pm
35 is the correct answer, however Im still not getting the rules to get that answer

Basically, my exponent experience involves

(M)^x (M)^y = (M)^x+y

And the dividing component being subtracted .
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by Brent@GMATPrepNow » Sun May 01, 2011 4:31 pm
parkman wrote:This is probably a simple question, but I havent found any similar problems with which to compare it in my studies

if (1/5)^m(1/4)^18 = 1/(2(10)^35), then m = ?
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