How do you evaluate the power (-1)^3?

1 Answer
Oct 19, 2016

-1

Explanation:

Given:" "(-1)^3" "=" "color(magenta)((-1)xx(-1))color(green)(xx(-1))

When the signs are the same multiplying gives a plus giving:
color(magenta)((-1)xx(-1)=(+1))

When the signs are different multiplying gives a minus giving:
color(magenta)(+1)color(green)(xx(-1))color(blue)( = -1)