Question

Which expression is equivalent to 3^4 ⋅ 3−^9?

Answer 1

3^4 times 3^9 = 3^4 times 1/3^9

Explanation:

I dont know if this is right there were no answer choices.

Answer 2

3^-5 = 1/3^5

Explanation:

3^4 ⋅ 3−^9

When multiplying exponents and the bases are the same, we can add the exponents

a^b * a^c = a^ ( b+c)

3^4 ⋅ 3−^9

3^( 4-9)

3^-5

We know that a^ -b = 1/a^b

3^-5 = 1/3^5