If -2744-0-008-x- then the value of x is -

The correct option is B 70 Given, √( 2744)√(0.008)=x ⇒ x= 140.2 #160; #160; ....Cube root of a negative number is negative ⇒ x= 70 He ...

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Standard VIII

Mathematics

Cube-Root of Fractional Numbers

If √-2744÷√...

Question

If $\sqrt[3]{- 2744} \div \sqrt[3]{0.008} = x$ , then the value of $x$ is ___________.

70

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- 70

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14

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- 14

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Solution

The correct option is B $- 70$
Given, $\frac{\sqrt[3]{- 2744}}{\sqrt[3]{0.008}} = x$
$\Rightarrow x = \frac{- 14}{0.2}$ ....Cube root of a negative number is negative
$\Rightarrow x = - 70$
Hence, option B is correct.

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If 3√−2744÷3√0.008=x, then the value of x is ___________.

The correct option is B −70Given, 3√−27443√0.008=x⇒x=−140.2 ....Cube root of a negative number is negative⇒x=−70Hence, option B is correct.

If $\sqrt[3]{- 2744} \div \sqrt[3]{0.008} = x$ , then the value of $x$ is ___________.

The correct option is B $- 70$
Given, $\frac{\sqrt[3]{- 2744}}{\sqrt[3]{0.008}} = x$
$\Rightarrow x = \frac{- 14}{0.2}$ ....Cube root of a negative number is negative
$\Rightarrow x = - 70$
Hence, option B is correct.