Advertisements
Advertisements
Question
Find which of the following number is cube of rational number 0.04 .
Advertisements
Solution
We have: \[0 . 04 = \frac{4}{100} = \frac{2 \times 2}{2 \times 2 \times 5 \times 5}\]
It is evident that 4 and 100 could not be grouped in to triples of equal factors; therefore, 0.04 is not a cube of a rational number.
APPEARS IN
RELATED QUESTIONS
Find the cube root of the following number 8 × 125 .
Find the cube root of the following rational number \[\frac{- 125}{729}\] .
Find the cube root of the following rational number 0.001 .
Evaluate of the following
\[\sqrt[3]{27} + \sqrt[3]{0 . 008} + \sqrt[3]{0 . 064}\]
If `root(3)(729)` = 9 then `root(3)(0.000729) = ?`
Find the cube of:23
Find the cube of: `1 2/7`
Which of the following numbers is a perfect cube?
Cube of an even number is even.
Is 9720 a perfect cube? If not, find the smallest number by which it should be divided to get a perfect cube.
