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Expo from Prep1

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Re: Expo from Prep1

by logitech » Tue Nov 11, 2008 1:21 am
smallsorrow wrote:This was my first Problem in GMAT Prep 1

5^21x4^11=2x10^n

Actually I was not sure whether x is a crazy symbol or means multiplying...

Can anyone solve this?

Thanks so much in advance...
5^21x4^11=2x10^n
5^21x2^22=2x10^n

2x10^21=2x10^n

n=21
LGTCH
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by vishubn » Tue Nov 11, 2008 1:22 am
Thats a Multiplier !!!

and same question is discussed many times please search

Vishu
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