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Find the Cube of 0.08 . - Mathematics

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Question

Find the cube of  0.08 .

Sum

Solution

We have:

\[0 . 08 = \frac{8}{100}\]

Also,

\[\left( \frac{m}{n} \right)^3 = \frac{m^3}{n^3}\]
∴ \[\left( \frac{8}{100} \right)^3 = \frac{8^3}{{100}^3} = \frac{8 \times 8 \times 8}{100 \times 100 \times 100} = \frac{512}{1000000} = 0 . 000512\]
 

 

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Chapter 4: Cubes and Cube Roots - Exercise 4.2 [Page 13]

APPEARS IN

RD Sharma Mathematics [English] Class 8
Chapter 4 Cubes and Cube Roots
Exercise 4.2 | Q 4.09 | Page 13

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