Question

1. Show that 9261 is a perfect cube.
2. Find the cubes of
b. 126 c. 4 d. 0.01
e. -2.5
3. Find the cube roots by prime factorization.
a. 729 b. 1331 c. 4096 d. -123
e. 91.125 1.532
4. Find the smallest number by which 120 393 must be multiplied to make it a
perfect cube. Then find its cube root.
5. Find the smallest number by which 47 916 must be divided so that the
quotient is a perfect cube​

Answer 1

Step-by-step explanation:

1. 9261 is said to be a perfect cube because 21 x 21 x 21 is equal to 9261. Since 9261 is a whole number, it is a perfect cube. The nearest previous perfect cube is 8000 and the nearest next perfect cube is 10648 . 9261 is said to be a perfect cube because 21 x 21 x 21 is equal to 9261.