Question 1150642
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Answer: <font size=4 color=red>P = 1.801*(1.049)^t</font>


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Explanation:


The general format is 
P = a*(1+r)^t
where
P = final amount after t years
a = starting amount
r = growth rate in decimal form
t = number of years that have elapsed


In this case,
P = unknown
a = 1.801 (value in billions)
r = 0.049 (representing 4.9% since 4.9% = 4.9/100 = 0.049)
t = also unknown


So we go from
P = a*(1+r)^t
to
P = 1.801*(1+0.049)^t
which simplifies to
P = 1.801*(1.049)^t


This equation only works if we assume the growth rate of 4.9% holds the same for years after 1993.