Find the cube of 2 1-3-

The correct option is B 9 The given number 21/3 can be written as 7/3 So, the cube of the given number will be equal to (7/3)^3 = 7×7×7/3×3×3 = 343/27 ...

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Standard VIII

Mathematics

Cube Numbers

Find the cube...

Question

Find the cube of 2 $\frac{1}{3}$ .

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Solution

The correct option is B
9

The given number 2 $\frac{1}{3}$ can be written as $\frac{7}{3}$

So, the cube of the given number will be equal to $(\frac{7}{3})^{3}$

= $\frac{7 \times 7 \times 7}{3 \times 3 \times 3}$

= $\frac{343}{27}$

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Find the cube of 213.

The correct option is B 9 The given number 213 can be written as 73 So, the cube of the given number will be equal to (73)3 = 7×7×73×3×3 = 34327

Find the cube of 2 $\frac{1}{3}$ .

The correct option is B
9

The given number 2 $\frac{1}{3}$ can be written as $\frac{7}{3}$

So, the cube of the given number will be equal to $(\frac{7}{3})^{3}$

= $\frac{7 \times 7 \times 7}{3 \times 3 \times 3}$

= $\frac{343}{27}$