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pantera1 [17]
3 years ago
8

Simplify the following expression.

Mathematics
1 answer:
HACTEHA [7]3 years ago
5 0
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
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