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Simply put, is it very useful on the GMAT to be able to take

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Simply put, is it very useful on the GMAT to be able to take [#permalink]  27 Dec 2008, 01:06
Simply put, is it very useful on the GMAT to be able to take square roots/cube roots by hand? I'm just curious if it's worthwhile to acquire this skill (in my school we were never taught the procedure, so it's all new to me).

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Re: Computing square root/cube root by hand [#permalink]  03 Jan 2009, 11:07
i don't think so. the gmat is not trying to test out your abilities in computing long math by hand. if something is taking you more than 2 minutes, that means you've missed a shortcut or number property to allow you do the problem quickly OR it's an experimental question. either way, you should move on if the problem is taking too much of your time. if you memorize common square roots and cube roots, you'll be fine.
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Re: Computing square root/cube root by hand   [#permalink] 03 Jan 2009, 11:07
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