Question

729÷81 in powers what ​

Answer 1

Answer:9

Step-by-step explanation:

729 = 3 x 3 x 3 x 3 x 3 x 3 = $3^{6}$

81 = 3 x 3 x 3 x 3 = $3^{4}$

729 ÷ 8 = $3^{6}$ ÷ $3^{4}$

we know that $a^{m}$ ÷ $a^{n} = a^{m-n}$

Therefore,

$3^{6}$ ÷ $3^{4}$ = $3^{6-4} = 3^{2}$ = 9

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