suppose the annual rate of inflation is about 4% this means that the cost of an item increases by about 4%. write and evaluate a
n exponential expression to find the answer to this question.. if a piano costs $3,500 today, what did it cost 4 years ago?
1 answer:
Cost = (3,500) * (1.04)^years
Cost = (3,500) * (1.04)^4
<span><span><span>Cost = (3,500) * 1.16985856
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</span>
</span>
<span><span>Cost = </span>4,094.50</span>
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