मराठी
सी.आई.एस.सी.ई.आयसीएसई ICSE Class 8

Find the Cube-root of 64 X 729

Advertisements
Advertisements

प्रश्न

Find the cube-root of 64 x 729

बेरीज
Advertisements

उत्तर

64 x 729
= `root(3)(64 xx 729)`
= `sqrt(4 xx 4 xx 4 xx 9 xx 9 xx 9)`
= 4 x 9
= 36

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 4: Cubes and Cube Roots - Exercise 4 (B) [पृष्ठ ५१]

APPEARS IN

सेलिना Concise Mathematics [English] Class 8 ICSE
पाठ 4 Cubes and Cube Roots
Exercise 4 (B) | Q 2.4 | पृष्ठ ५१

संबंधित प्रश्‍न

Write the cubes of 5 natural numbers which are of the form 3n + 1 (e.g. 4, 7, 10, ...) and verify the following:
'The cube of a natural number of the form 3n + 1 is a natural number of the same form i.e. when divided by 3 it leaves the remainder 1'.


Which of the following is  perfect cube? 

 106480


By which smallest number must the following number be divided so that the quotient is a perfect cube?

1600


By which smallest number must the following number be divided so that the quotient is a perfect cube?

107811


Prove that if a number is trebled then its cube is 27 times the cube of the given number.

 

What happens to the cube of a number if the number is multiplied by  4?


Which of the following number is  not perfect cubes? 

1728


Which of the following number is cube of negative integer - 42875 .


Find the cube root of the following natural number 17576 .


Find the cube root of the following natural number 48228544 .


Multiply 210125 by the smallest number so that the product is a perfect cube. Also, find out the cube root of the product.

 

Show that: 

\[\frac{\sqrt[3]{- 512}}{\sqrt[3]{343}} = \sqrt[3]{\frac{- 512}{343}}\]


Making use of the cube root table, find the cube root
700


Making use of the cube root table, find the cube root
1100 .


Find the cube-root of 4096.


Find the cube-root of `125/216`


The smallest number to be added to 3333 to make it a perfect cube is ___________


The cube of 0.0012 is 0.000001728.


Find the cube root 24 × 36 × 80 × 25


Evaluate:

`root(3)(27) + root(3)(0.008) + root(3)(0.064)`


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×