Simplify the expression. (X^3)^-5 A. 1/x^15 B. X^15 C. X^8 D. 1/x^8

asked Jul 9, 2018 49.3k views

1 vote

Simplify the expression. (X^3)^-5

A. 1/x^15
B. X^15
C. X^8
D. 1/x^8

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$\text{Use:}\\(a^n)^m=a^(nm)\ \text{and}\ a^(-n)=(1)/(a^n)\\\\(x^3)^(-5)=x^(3\cdot(-5))=x^(-15)=(1)/(x^(15))\to A.$

Answer: A. 1/x^15

Matelutex answered Jul 14, 2018

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