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2*log(15) = log(x)
152 = x; its equivalent logarithmic form is 2 = log15 x (exponents are logarithms)
then, it is equivalent to 2log 15 = log x, equivalent to log 152 = log x (the power rule), ...
2 = log15 x
2 = log x/log 15 (using the change-base property)
2log 15 = log x
Thus, we can say that 152 = x is equivalent to 2*log(15) = log(x) (equivalents to equivalents are equivalent)
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What number squared equals 225?
15
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15 squared is 15 x 15 which equals 225.
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15.
Is 225 a sqare number?
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1 3 5 7 9 11 13 15 17 19 in total and squared equals?
10000
