Answer:
100
Step-by-step explanation:
10(-2.5) = -25 since negative times positive is negative.
-25(-4)=100 since negative times negative is positive.
Basically, the negative inverts the sign so a negative negates a positive yielding a negative while a negative negates a negative yielding a positive.
Think of it as not not vs not
1.77 is the answer.
hope u got it