The answer i came up with is 0.68 i don't know if thats what you need or not. hopefully i helped.
Answer:
Step-by-step explanation:
3*7*10*10*10*10*10*10*10
(5+2=7)(since is multiplication you add)
21*
=B
<u>2*10*10*10*10*10</u>
4*10*10
(5-2=3)(since is division you subtract)
0.5*
=c
The correct answer is -15 because the absolute value is 15 but there is a negative outside the absolute value lines making it negative :)