Question

simplify (3power- 7÷3 power-9)×3 power-4​

Answer 1

Answer:

1/9

Step-by-step explanation:

(3*-7 ÷3*-9)×3*-4

(3*-7-(-9)×3*-4

(3*2)×3*-4

3*2-4

3*-2

1/9

Answer 2

Answer:

$\frac{1}{9}$

Step-by-step explanation:

($3^{-7}$ ÷ $3^{-9}$) x $3^{-4}$

$\frac{3^{-7}}{3^{-9}}$ x $3^{-4}$

$\frac{3^{9}}{3^{7}}$ x $\frac{1}{3^{4}}$

${3^{9 - 7}}$ x $\frac{1}{3^{4}}$

3² x $\frac{1}{3^{4}}$

$\frac{3^{2}}{3^{4}}$

${3^{2 - 4}}$

${3^{- 2}}$

$\frac{1}{{3^{2}}}$

$\frac{1}{9}$

Hope this helps

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