Question

the value of 3to the power of-7 ×9to the power of 2

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Answer 1

Answer:

1/27

Step-by-step explanation:

$3^{-7}\cdot9^2 \\\\= 3^{-7}\cdot3^{2^2}\\\\ = 3^{-7}\cdot3^4 \\\\= 3^{-7+4} \\\\= 3^{-3} \\\\= \frac{1}{3^3}\\\\=\frac{1}{27}$

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