Question

What mathematical operation always results in positive number

Answer 1

"Multiplying a number by a positive integer always results in a bigger number." "Multiplying a number by a positive integer always results in a bigger number."

Explanation:

Answer 2

Absolute value

Explanation:

The absolute value always results in a plus result.

abs(-4) = 4

abs(4) = 4

Even if it is more complicated like

abs(x^3 - 7)

Let x = - 2

abs( (-2)^3 - 7)

abs( - 8 - 7)

abs(-15)

15