Answer:
21.5?
the more i think the more i believe it
~ 80.75 x 10^7
Step-by-step explanation:
9 x 8 + 9 * .5 + .5 * 8 + .5 * . 5 = ~ 80.75 x 10 ^7
0 -1-(-8)
0-1=-1
-1-(-8)
-1+8
=7
The answer is D
