Riya wants to make the smallest possible perfect cube by multiplying 16 by a whole number.
Writing $16 = 2 \times 2 \times 2 \times 2$ , find the smallest number she must multiply 16 by.

Question

Riya wants to make the smallest possible perfect cube by multiplying 16 by a whole number. Writing 16 = 2 x 2 x 2 x 2, find the smallest number she must multiply 16 by.

Accepted Answer

4. 16 = 2^4. To make the exponent a multiple of 3, we need 2^2 more, i.e. multiply by 4. Then 16 x 4 = 64 = 4^3.

Riya wants to make the smallest possible perfect cube by multiplying 16 by a whole number.
Writing $16 = 2 \times 2 \times 2 \times 2$ , find the smallest number she must multiply 16 by.

Step-by-Step Solution

Master this chapter in 30 minutes a day.

More Class 8 Perfect Cubes practice

Riya wants to make the smallest possible perfect cube by multiplying 16 by a whole number.Writing 16=2×2×2×2, find the smallest number she must multiply 16 by.

Step-by-Step Solution

Master this chapter in 30 minutes a day.

More Class 8 Perfect Cubes practice

Riya wants to make the smallest possible perfect cube by multiplying 16 by a whole number.
Writing $16 = 2 \times 2 \times 2 \times 2$ , find the smallest number she must multiply 16 by.