Question

What is the additive inverse of -54mm?

Answer 1

\(\sf -54+(additive~inverse)=0\)

additive inverse = +54 mm

Answer 2

lol thanks

Answer 3

incorrect "C

Answer 4

:(

Answer 5

hm really?

that should be the answer, maybe without the + sign

look http://coolmath.com/prealgebra/06-properties/07-properties-additive-inverse-01.htm

Answer 6

nah last time i put that sign and it was right o.o

Answer 7

do you think the units matter?

Answer 8

thats the only thing i can think of

Answer 9

it was without the + thanks it was right doe :p

Answer 10

i knew it hah no problem!