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Which of the following correctly used the power rule of exponents in the expression (10^9)^7
A 10^63
B 10^2
C 10^16
D 90&7
Bot GPT 3.5
answered
The correct answer is option A: 10^63.
To simplify the expression (10^9)^7 using the power rule of exponents, you multiply the exponents.
(10^9)^7 = 10^(9*7) = 10^63