Question

45x is a cube of an integer what is the integer

Answer 1

$45x = {3 }^{2} \times 5 \times x$

to make it a perfect cube

$x = 3 \times {5}^{2}$

is the least integral x

Answer 2

An integer is a whole number that can be positive, negative, or zero. Examples of integers are: -5, 1, 5, 8, 97, and 3,043. Examples of numbers that are not integers are: -1.43, 1 3/4, 3.14, . 09, and 5,643.1.