You can put this solution on YOUR website! Solve for x:
a). log8(x) = 2/3
base = 8
exponent = 2/3
result = x
----
8^(2/3) = x
x = 2^2
x = 4
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b). log3(x) = -2
base = 3
exponent = -2
result = x
----
3^-2 = x
x = (1/3)^2
x = 1/9
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Cheers,
Stan H.