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OpenStudy (anonymous):
What is the solution to the equation log 2 x – log 2 4 = 2 ?
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OpenStudy (anonymous):
The first step is to remember that log a - log b = log (a/b)
OpenStudy (anonymous):
And the second step is to exponentiate. What is the base of the logarithms. Is it assumed to be 10?
OpenStudy (anonymous):
ok so that would be log2 x/4
OpenStudy (anonymous):
the base is 2
OpenStudy (anonymous):
Oh.. yes. So then you have x/4 = 2^2
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OpenStudy (anonymous):
ok
OpenStudy (anonymous):
but what next
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