Question

If cube root of 729 is equal to 9 , then cube root of 0.000729 will be. How the answer is coming 0.09 please explain

Answer 1

$\sqrt[3]{729} = 9$

$\sqrt[3]{0.000729} =$

Find cube root of 0.000001

$\sqrt[3]{0.000001} = \sqrt[3]{1 \div 1000000}$

$\sqrt[3]{1 \div 1000000} = 1 \div 100$

Now,

9÷100

=0.09

Hence proved

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