Answer:
-5,2.5,-1.15,-9 1/5
Step-by-step explanation:
we know that
To find the opposite of a number, multiply or divide it by -1
case a) we have
5
The opposite is equal to
(-1)*(5)=-5
case b) we have
-2.5
The opposite is equal to
(-1)*(-2.5)=2.5
case c) we have
1.15
The opposite is equal to
(-1)*(1.15)=-1.15
case d) we have
9 1/5
The opposite is equal to
(-1)*(9 1/5)=-9 1/5