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21 July, 01:29

What are the following as powers? 243

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  1. 21 July, 01:36
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    243 = 4^5

    Step-by-step explanation:

    Notice that 243 = 3 (81), and that 81=3^4.

    Thus, 243 = 3*3^4, or 3^5.

    Check: does 3^5 = 3^3*3^2 = 27*9? yes.
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