we are given
In A 4 year period, About 80,000 acres of coastal wetlands in United States are lost each year.
so, total area =80000 acres
total time = 4 years
now, we can use formula
total change in wetlands = ( total area)/(total time)
now, we can plug values
total change in wetlands is
[tex]=\frac{80000}{4} acre/year[/tex]
[tex]=20000 acre/year[/tex]................Answer
The integer total change in the coastal wetlands is -320,000 acres/year
The amount of time/number of years is 4 years
There are about 80,000 acres of coastal wetlands in the United states
The formula that can be used to get the integer that represents the total change in the coastal wetlands is
= total number of acres/total amount of time
= 80,000×4
= 320,000
The integer is - 320,000
Hence the integer total change in the costal wetlands is -320,000 acres/year
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