84.78
Explanation:
13.5•2=27
27•3.14=84.78
Answer:
Zero
Step-by-step explanation:
So we start out on a positive 7. We then add a negative (You just subtract) 7. Modified equation: 7-7
7 minus 7 equals 0 or {7 - 7 = 0}
Hope this helps!!
Your answer would be
70a + 21b