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GMAT Prep - Exponents

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Junior | Next Rank: 30 Posts
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by Bhattu » Sat Mar 14, 2009 1:00 pm
(1/4)ˆm (1/5)ˆ18 = 1/2(10)ˆ35 , then what is m?

a) 17
b) 18
c) 35
d) 36
e) don't recall, but was not the righ answer

OA is C

5ˆ21 * 4ˆ11 = 2*10ˆn = What is the value of n?

I don't recall the answer choices, one of the options was 32, I chose it, but am not sure if it is correct.

I think my basics of exponents are extremely weak and letting me down big time!!!

Can anyone please enlighten??
Thank you!!
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by DanaJ » Sat Mar 14, 2009 2:15 pm
This question has been discussed many times before.
Search "exponents" and you'll get plenty of threads - it basically gets answered smth like once every 2 weeks.
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by Bhattu » Sat Mar 14, 2009 3:36 pm
DanaJ,

Thanks, I should've checked. My bad, i've been a passive member on the forums and just getting around to using this.

Will be mindful in the future
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Re: GMAT Prep - Exponents

by Vemuri » Sun Mar 15, 2009 12:01 am
Bhattu wrote:(1/4)ˆm (1/5)ˆ18 = 1/2(10)ˆ35 , then what is m?

a) 17
b) 18
c) 35
d) 36
e) don't recall, but was not the righ answer

OA is C

5ˆ21 * 4ˆ11 = 2*10ˆn = What is the value of n?

I don't recall the answer choices, one of the options was 32, I chose it, but am not sure if it is correct.
Hi Bhattu,

If you really need someone to help you, please post the correct question.

If (1/5)^m x (1/4)^18= 1/(2(10)^35), then m =
a. 17
b. 18
c. 34
d. 35
e. 36

As DanaJ mentioned, this question was posted earlier. Here's a link to one of them --> https://www.beatthegmat.com/gmat-factori ... tml#130701
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