Answer:
p^(a-1)
Step-by-step explanation:
The simplified expression can be seen in the picture attached below
As the factors have the same base, we just need to add or substract the exponents
p^(a-3+2) = p^(a-1)
The water level of a lake is 22 feet. It falls to 18 feet during one month. What is the percent decrease in the water level?
1 answer:
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