Question

if 81asquare4 =asquare6 then asquare 3 is equal to

Answer 1

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$81a^{4} = a ^{6} \\ \\ {a}^{2} = 81 \\ \\ a = 9 \\ \\ then \\ \\ {a}^{3} = 9 \times 9 \times 9 = 81 \times 9 \\ = > 729$