Asked by Damien
8 to the 12 power over 8 to the 9th power equals 8 to the what power?
Answers
Answered by
Steve
consider
8^12 = 8*8*8...*8 12 times
8*9 = 8*8*8...*8 9 times
nine of those factors cancel out, leaving 3 in the top, or
8^3
This is why
x^m / x^n = x^(m-n)
since n of the factors cancel out when reducing the fraction.
8^12 = 8*8*8...*8 12 times
8*9 = 8*8*8...*8 9 times
nine of those factors cancel out, leaving 3 in the top, or
8^3
This is why
x^m / x^n = x^(m-n)
since n of the factors cancel out when reducing the fraction.
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