Zhang thinks that the value of a baseball card can be modeled by exponential decay and that the value will decrease at a rate of 0.2% each year. The card was originally valued at $250 in 2007. What would Zhang expect the card to be in 2018? Round the value of the card to the nearest cent. Show all work

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12 July, 08:59

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Kirsten Sweeney · Answer 1

The correct answer would be

$249.45

2018 - 2007 = 11

11 x 0.2% = 0.22%

0.22% of 250 = 0.55

250 - 0.55 = 249.45

$249.45