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# 5^21 x 4^11 = 2 x 10^n what is the value of n? a. 11 b.

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Joined: 16 Apr 2006
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5^21 x 4^11 = 2 x 10^n what is the value of n? a. 11 b. [#permalink]

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23 Apr 2006, 09:04
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5^21 x 4^11 = 2 x 10^n what is the value of n?

a. 11
b. 21
c. 22
d. 23
e. 32

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Intern
Joined: 16 Apr 2006
Posts: 26

Kudos [?]: [0], given: 0

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23 Apr 2006, 12:13
no need, just figured out how to search.

sorry for the repost, please remove

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23 Apr 2006, 12:13
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