4926.25965251
I used a calculator because it makes solving this much easier
85700
8570
85.7
8.57
0.857
Each time, you divide by 10 (move the decimal place 1 place value to the left).
Miles per hour = Total miles/ total no of hours
1764 miles divided by 28 hours = 63 mph
Answer:
4^-2
Step-by-step explanation:
The rules of exponents tell you ...
(a^b)(a^c) = a^(b+c)
This means ...
(4^6)(4^-8) = 4^(6-8) = 4^-2