8.10 and 8.100 because its about significant figures. There can be an infinite number of zeros after the 1.
7a+20b = 28-b
7a = 28-b-20b
7a = 28-21b
a= 28/7 - 21/7 b = 4-3b
Answer:
.6/.7
Step-by-step explanation:
Answer:
No, it is 11
or 11 1/3
Step-by-step explanation: