32×58=3×5×2×8 nbsp;(as, nbsp;a×b=ab) nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; ...

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Expanding a Rational Number Using Powers

32×58=

Question

$3 \sqrt{2} \times 5 \sqrt{8} =____$
60

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Solution

The correct option is A 60
$3 \sqrt{2} \times 5 \sqrt{8} = 3 \times 5 \times \sqrt{2 \times 8} (a s, \sqrt{a} \times \sqrt{b} = \sqrt{a b}) = 15 \sqrt{16} (a s, \sqrt{16} = 4) = 15 \times 4 = 60$

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