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GMAT Prep Test

by arwa » Wed Dec 24, 2008 4:47 am
Hi,
I came across the following problem in the gmat prep test and i have no idea how to go about it

5^21 * 4^11 = 2 * 10^n
Whats the value of n.

i searched for the problem on the forum but cud not find it hence posting it here.
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by parallel_chase » Wed Dec 24, 2008 6:41 am
There you go, refer this

https://www.beatthegmat.com/5-21-4-11-2-10-n-t14610.html
No rest for the Wicked....
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by arwa » Wed Dec 24, 2008 9:29 pm
thanks :)
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