Answers

2014-03-09T14:16:13+05:30
216 can be written as 6³. and 6³*6²=6 to the power 5
2 3 2
2014-03-09T14:19:28+05:30

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216 * 6^2a   = 6^7
6*6*6  *  6^2a  =   6^7
6^3  *  6^2a =   6^7
3+2a  =  7
2a  =  7-3
2a  =  4
a  =  4/2
a  = 2
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