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# OG11 PS Question

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Joined: 12 Jun 2006
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OG11 PS Question [#permalink]

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09 Aug 2007, 14:13
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Can somone help me solve the following question:

sqrt(cuberoot(0.000064))

Thanks!
VP
Joined: 09 Jul 2007
Posts: 1104
Location: London
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09 Aug 2007, 15:03
sqrt(cuberoot(0.000064))

forget about roots first, make it easy for yourself 64/1000000 or (4^3)/(100^3).

then cuberoot {(4^3)/(100^3)}
cubes cancel each others what else left sqrt.

so sqrt(4/100) is 2/10
09 Aug 2007, 15:03
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# OG11 PS Question

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