$\"\"$

\

The equipment is originally worth $\"\"$ , so $\"\"$ .

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The equipment depreciates at a rate of $\"\"$ per year.

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The value of the equipment on a given year will be $\"\"$ or $\"\"$ of the value the previous year.

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So, $\"\"$ .

\

The first term $\"\"$ corresponds to the year $\"\"$ , so the year $\"\"$ corresponds to $\"\"$ .

\

$\"\"$ term of geometric sequence $\"\"$ .

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Substitute $\"\"$ , $\"\"$ and $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$ .

\

Therefore, the value of the equipment in $\"\"$ is about $\"\"$ .

\

$\"\"$

\

The value of the equipment in $\"\"$ is about $\"\"$ .