Which expression is equivalent to 3^4 x 3^-9?

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asked Jan 16, 2021 15.0k views

1 Answer

Kim Major · Answer 1 · 2021-01-22T16:02:16+0000

1/3^5

When multiplying exponents you just add them. X^a x X^b = X^a+b

If you have a negative exponent, you flip it to be the denominator (if originally numerator) or numerator (if originally denominator.

So, 3^-5 = 1/3^5

Which expression is equivalent to 3^4 x 3^-9?

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