# Question #a99bd

##### 1 Answer

After 4 years compounded depreciation at 50% the final value is

$2.38 rounded to 2 decimal places.

#### Explanation:

Depreciation (decay) is the opposite of appreciation (growth)

As in finance let the initial value (in finance it is the loan) be

Let the number of calculation cycles be

Let the percentage change be

Let value be at calculation n be

Calculation 1

Calculation 2

Calculation

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Substituting known values we have: