Question

What power of (-3) is 729?​

Answer 1

Answer:

6

Step-by-step-explanation :

Let the power be x.

so,

=> $(-3)^x = 729$

=> $(-3)^x = 3*3*3*3*3$

=> $(-3)^x = 3^6$

=> $(-3)^x = (-3)^6$. ------(as the power is even, the base can be both positive and negative)

=> Comparing the powers,

=> x = 6

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