How totally radical! (part 2)

Algebra Level 2

Evaluate the following expression:

( 3 × 16 3 × 0.5625 4 ) ÷ ( 256 6 × 128 7 ) (\sqrt{3} \times \sqrt[3]{16} \times \sqrt[4]{0.5625})\div (\sqrt[6]{256} \times \sqrt[7]{128})


The answer is 0.75.

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1 solution

Denton Young
May 4, 2017

The expression in the left-hand set of parentheses simplifies to 3 × 2 3 3 \times \sqrt[3]{2} . This is divided by ( 2 × 4 6 ) × 2 (2 \times \sqrt[6]{4}) \times 2

So the radicals vanish, and you get 3 / 4 3/4 as the answer.

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