What is the opposite and reciprocal of 0.2?

1 Answer
Jul 9, 2015

The opposite of #0.2# is #-0.2#.
The reciprocal of #0.2# is #5#.

Explanation:

The opposite of a number is the additive inverse, which when added to the number, the result equals zero.

#0.2+(-0.2)=0.2-0.2=0#

The reciprocal of a number is the multplicative inverse of the number, which when multiplied times the number, the result is #1#.

#0.2=2/10#

Reciprocal#=##10/2=5#

#2/10*5/1=10/10=1#