How do you figure out the exponent of a number using another equivalent number?

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How do you figure out the exponent of a number using another equivalent number? (For example 4^3 = 2^x)

Guest Feb 20, 2015

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Best Answer

$$\\4^3=2^x\\\\
(2^2)^3=2^x\\\\
2^6=2^x\\\\so\;\; x=6$$

this was an easy one - if the question is harder then you will need to use logarithms.

Melody Feb 20, 2015

Melody · Answer 1 · 2015-02-20T12:11:36

$$\\4^3=2^x\\\\
(2^2)^3=2^x\\\\
2^6=2^x\\\\so\;\; x=6$$

this was an easy one - if the question is harder then you will need to use logarithms.

Guest · Answer 2 · 2015-02-20T01:41:22

you first convert 4^3 to 64 then convert 64 to 2^6 now your bases are the same so x=6