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7 September, 05:33

27 to the power of 3x=81

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  1. 7 September, 05:44
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    x=4/9

    Step-by-step explanation:

    27 ^ (3x) = 81

    Replace 27 with 3^3 and 81 with 3^4

    3^3^ (3x) = 3^4

    We know that a^b^c = a^ (b*c)

    3^ (9x) = 3^4

    Since the bases are the same, the exponents are the same

    9x = 4

    Divide each side by 9

    9x/9 = 4/9

    x = 4/9
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