Question

Find the additive and multiplicative inverse of -2.5

Answer 1

Additive inverse = +2.5
Multiplicative inverse = 1/-2.5

Answer 2

thanks! i was checking my answer and that's exactly what I put.. but wen i checked the back of the book, it said that the multiplicative inverse was -2/5

Answer 3

bizarre....anytime I divide -2.5 by itself, I get 1. Maybe they don't like you putting one over it.

Answer 4

Ahhh well thanks anyway! :) i'll check with my teacher

Answer 5

+2.5, 1