# Precalc

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how to solve 5(2^(3x)) = 8

answer is ln 1.6 / 3 ln 2

• Precalc -

solve 5(2^(3x)) = 8

5(2^(3x)) = 8
2^3x = 8/5
2^3x = 1.6
take logarithms of both sides
3x log 2 = log 1.6
Divide both sides by 3 log 2
x = log 1.6/(3 log 2)

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thank you

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You're welcome!

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