Answer:
The rate of evaporation in gallons per year will be [tex]2.608 \times 10^{11}[/tex] gallons per year.
Step-by-step explanation:
The amount of annual evaporation from the Hoovers dam is approximately [tex]8.0 \times 10^{5}[/tex] acre-feet.
Now, 1 acre-foot of water is equivalent to 326000 gallons of water.
So, the total volume of water that evaporates per year from the dam will be
[tex]8.0 \times 10^{5} \times 326000 = 2.608 \times 10^{11}[/tex].
Therefore, the rate of evaporation in gallons per year will be [tex]2.608 \times 10^{11}[/tex] gallons per year. (Answer)