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Cube Root of a Cube Number Using Estimation

Cube root of ...

Question

Cube root of 0.064 is:

0.04

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0.4

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0.004

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None of these

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Solution

The correct option is B 0.4
The prime factor of 64 are:
$64 = 2 \times 2 \times 2 \times 2 \times 2 \times 2 = 2^{3} \times 2^{3}$
cube root of 64 is 4
but our cube is 0.064, so
its cube root will be 0.4 since
$0.4 \times 0.4 \times 0.4 = 0.064$

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Similar questions

0.064

Question 56

State whether the following statement is true or false:

The cube of 0.4 is 0.064.

Question 56

State whether the following statement is true or false:

The cube of 0.4 is 0.064.

729

343

512

0.064

0.216

5 \frac{23}{64}

- 1.331

- 27000

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