Advertisements
Advertisements
प्रश्न
Making use of the cube root table, find the cube root
0.27
Advertisements
उत्तर
The number 0.27 can be written as \[\frac{27}{100}\] .
Now
\[\sqrt[3]{0 . 27} = \sqrt[3]{\frac{27}{100}} = \frac{\sqrt[3]{27}}{\sqrt[3]{100}} = \frac{3}{\sqrt[3]{100}}\]
By cube root table, we have:
\[\sqrt[3]{100} = 4 . 642\]
∴ \[\sqrt[3]{0 . 27} = \frac{3}{\sqrt[3]{100}} = \frac{3}{4 . 642} = 0 . 646\]
Thus, the required cube root is 0.646.
संबंधित प्रश्न
Find the cube root of the following number by the prime factorisation method.
15625
\[\sqrt[3]{. . .} = \sqrt[3]{4} \times \sqrt[3]{5} \times \sqrt[3]{6}\]
\[\sqrt[3]{\frac{512}{. . .}} = \frac{8}{13}\]
Evaluate:
Find The cube root of the numbers 3048625, 20346417, 210644875, 57066625 using the fact that 3048625 = 3375 × 729 .
Making use of the cube root table, find the cube roots 7
Making use of the cube root table, find the cube root
7342 .
Making use of the cube root table, find the cube root
133100 .
Making use of the cube root table, find the cube root
8.6 .
Using prime factorisation, find which of the following are perfect cubes.
729
