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Popular >

simplify sqrt(0.4)*sqrt(6.4)

Solution

simplify

0.4 \cdot 6.4

Solution

\frac{8}{5}

+1

Decimal Notation

1.6

Solution steps

0.4 6.4

0.4 = \frac{2}{5}

= \frac{2}{5} 6.4

6.4 = \frac{32}{5}

= \frac{2}{5} \frac{32}{5}

Apply radical rule:

a b = ab, a \geq 0, b \geq 0

\frac{2}{5} \frac{32}{5} = \frac{2}{5} \cdot \frac{32}{5}

= \frac{2}{5} \cdot \frac{32}{5}

\frac{2}{5} \cdot \frac{32}{5} = \frac{64}{25}

= \frac{64}{25}

\frac{64}{25} = \frac{8}{5}

= \frac{8}{5}

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Frequently Asked Questions (FAQ)

What is sqrt(0.4)*sqrt(6.4) ?
The solution to sqrt(0.4)*sqrt(6.4) is 8/5