Advertisements
Advertisements
Question
Find the cube-root of -125 x 1000
Advertisements
Solution
-125 x 1000
= `sqrt(-125 xx 100)`
= `sqrt(-(5 xx 5 xx 5) xx (10 xx 10 xx 10)`
= -5 x 10
= -50
APPEARS IN
RELATED QUESTIONS
Find the smallest number by which the following number must be divided to obtain a perfect cube.
704
Find the cubes of the number 12 .
Find the cubes of the number 55 .
Find the cubes of the number 100 .
Write the cubes of 5 natural numbers of which are multiples of 7 and verify the following:
'The cube of a multiple of 7 is a multiple of 73'.
What is the smallest number by which the following number must be multiplied, so that the products is perfect cube?
1323
By which smallest number must the following number be divided so that the quotient is a perfect cube?
243000
Prove that if a number is trebled then its cube is 27 times the cube of the given number.
Which of the following number is not perfect cubes?
64
Find the cube root of the following integer −125 .
Show that: \[\sqrt[3]{64 \times 729} = \sqrt[3]{64} \times \sqrt[3]{729}\]
Find the tens digit of the cube root of each of the numbers in Q. No. 15.
Making use of the cube root table, find the cube root
700
Making use of the cube root table, find the cube root
7000
Find the cube-root of 729 x 8000
Find the cube-root of -216
Find the cube-root of -512
Find the cube-root of `-(27)/(125)`
Find the cube-root of -216 x 1728
What is the square root of cube root of 46656?
