Asked by Maggie
simplify the expression below,using the laws of exponents.
(5^4 x 5^7)/ 5^8
Show your work. PLEASE HELP ME!
(5^4 x 5^7)/ 5^8
Show your work. PLEASE HELP ME!
Answers
Answered by
Bosnian
x ^ a * x ^ b = x ^ ( a + b )
5 ^ 4 * 5 ^ 7 = 5 ^ ( 4 + 7 ) = 5 ^ 11
x ^ a / x ^ b = x ^ ( a - b )
5 ^ 11 / 5 ^ 8 = 5 ^ ( 11 - 8 ) = 5 ^ 3
5 ^ 4 * 5 ^ 7 / 5 ^ 8 = 5 ^ 3 = 125
5 ^ 4 * 5 ^ 7 = 5 ^ ( 4 + 7 ) = 5 ^ 11
x ^ a / x ^ b = x ^ ( a - b )
5 ^ 11 / 5 ^ 8 = 5 ^ ( 11 - 8 ) = 5 ^ 3
5 ^ 4 * 5 ^ 7 / 5 ^ 8 = 5 ^ 3 = 125
Answered by
dave justin
x5.x8
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