Simplify the following expression. 7 with an exponent of 4 times 7 with an -6 exponent. A.) 1/49 B.) 1/7 C.) 49 D.) 2,401

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asked Jan 4, 2017 190k views

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Brutella · Answer 1 · 2017-01-10T03:40:14+0000

remember that exponentioal rule
x^m times x^n=x^(m+n)
therefor
7^4 times 7^-6=7^(4-6)=7^(-2)
remember the other rule
x^-m=1/(x^m) so
7^-2=1/(7^2)=1/49
answe ris A

Simplify the following expression. 7 with an exponent of 4 times 7 with an -6 exponent. A.) 1/49 B.) 1/7 C.) 49 D.) 2,401

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