Advertisements
Advertisements
Question
Find the cube-root of 250.047
Advertisements
Solution
250.047
= `(250047)/(1000)`
| 3 | 250047 |
| 3 | 83349 |
| 3 | 27783 |
| 3 | 9261 |
| 3 | 3087 |
| 3 | 1029 |
| 7 | 343 |
| 7 | 49 |
| 7 | 7 |
| 1 |
= `((3 xx 3 xx 3) xx (3 xx 3 xx 3) xx (7 xx 7 xx 7))/((10 xx 10 xx 10)`
= `(3 xx 3 xx 7)/(10)`
= `(63)/(10)`
= 6.3
APPEARS IN
RELATED QUESTIONS
Find the smallest number by which of the following number must be multiplied to obtain a perfect cube.
100
Find the smallest number by which of the following number must be divided to obtain a perfect cube.
128
Find the cubes of the number 100 .
What is the smallest number by which the following number must be multiplied, so that the products is perfect cube?
2560
By which smallest number must the following number be divided so that the quotient is a perfect cube?
675
By which smallest number must the following number be divided so that the quotient is a perfect cube?
107811
For of the non-perfect cubes in Q. No. 20 find the smallest number by which it must be divided so that the quotient is a perfect cube.
Write true (T) or false (F) for the following statement:
392 is a perfect cube.
Which of the following number is cube of negative integer - 64 .
Find the cube root of the following natural number 1728 .
Find the tens digit of the cube root of each of the numbers in Q. No. 15.
Find if the following number is a perfect cube?
1331
Find the cube-root of -2197.
Find the cube-root of 2.744
Find the cube-root of -0.512
Find the cube-root of - 15.625.
Find the cube-root of -216 x 1728
The cube of 0.0012 is 0.000001728.
Cube roots of 8 are +2 and –2.
Evaluate:
`root(3)(27) + root(3)(0.008) + root(3)(0.064)`
