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IRISSAK [1]
3 years ago
14

Which expression is equivalent to 3^2 ⋅ 3^−5?

Mathematics
2 answers:
Taya2010 [7]3 years ago
7 0

The answer to 3^2 ⋅ 3^−5 is 1/27=.037

The answer is 1/27

otez555 [7]3 years ago
4 0

Answer:

\frac{1}{27}

Step-by-step explanation:

3^2 ⋅ 3^−5

3^2 \cdot 3^{-5}

To multiply the exponents we apply exponential property

a^m \cdot a^n = a^{m+n}

When we multiply the exponents with same base then we add the exponents

3^2 \cdot 3^{-5}, both terms has same base . so we add the exponents.

3^2 \cdot 3^{-5}=3^{2-5}= 3^{-3}

Now we make the exponent positive

a^{-m}= \frac{1}{a^m}

3^{-3}= \frac{1}{3^3}=\frac{1}{27}

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