Exponents of exponents

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mdavis: Senior | Next Rank: 100 Posts; Posts: 44; Joined: Thu Nov 20, 2008 2:18 pm; Thanked: 1 times

by mdavis » Mon Feb 02, 2009 3:14 pm

Would anyone have a resource that explains exponents of exponents, like 7^2^2?

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Source: Beat The GMAT — Quantitative Reasoning | Mon Feb 02, 2009 3:14 pm

aroon7: Master | Next Rank: 500 Posts; Posts: 160; Joined: Sat Dec 20, 2008 9:12 pm; Thanked: 11 times

Re: Exponents of exponents

by aroon7 » Mon Feb 02, 2009 4:20 pm

mdavis wrote:Would anyone have a resource that explains exponents of exponents, like 7^2^2?

7^(2^2) = 7^4
(7^2)^2 = 7^4 in this case it is bit confusing
lets choose other numbers

3^(2^3) = 3^8
(3^2)^3 = 3^6

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