Answer:product of powers, power of power, negative exponent
Step-by-step explanation:
Answer: He will walk 2 1/4 miles in an hour
12^2 + 6^2 = x^2
144 + 36 = x^2
180 = x^2
13.416407865 = x
rounded
x = 13.4
The answer is 1/2. Count how many a out of the total.
