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24-05-2017
Mathematics

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Solve for x.
28^x=7
(x is the exponent)

Relax

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Аноним Аноним

24-05-2017

28^x = 7
Take logs of both sides:-
log 28^x = log 7
x log28 = log 7
x = log 7 / log 28 = 0.584 correct to 3 dec places.

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