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# 5^21) * (4^11) = (2) * (10^n) n =

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Senior Manager
Joined: 05 Oct 2005
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5^21) * (4^11) = (2) * (10^n) n = [#permalink]

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15 Dec 2005, 15:38
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

(5^21) * (4^11) = (2) * (10^n)

n = ?

Kudos [?]: 6 [0], given: 0

Intern
Joined: 14 Nov 2005
Posts: 37

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Location: NYC

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15 Dec 2005, 15:45
yb wrote:
(5^21) * (4^11) = (2) * (10^n)

n = ?

5^21 * 4^11 = (5^21) * (2^22) = (10^21) * 2

Therefore, n= 21.

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

Re: Exponents   [#permalink] 15 Dec 2005, 15:45
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# 5^21) * (4^11) = (2) * (10^n) n =

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