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motikmotik
3 years ago
6

(3a ^3)^x = 27a^9 what’s the value of x?

Mathematics
1 answer:
uysha [10]3 years ago
3 0

Answer:

<h2>x = 3</h2>

Step-by-step explanation:

(3a^3)^x=27a^9\\\\(3a^3)^x=3^3a^{3\cdot3}\qquad\text{use}\ (a^n)^m=a^{nm}\\\\(3a^3)^x=3^3(a^3)^3\qquad\text{use}\ (ab)^n=a^nb^n\\\\(3a^3)^x=(3a^3)^3\iff x=3

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