To find the number of acres of old-growth trees in the forest, you can use the following calculation:
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First, convert the percentage to a decimal. The percentage of old-growth trees is 0.2%, which is equivalent to 0.002 in decimal form.
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Multiply the total acres of the forest (74,000 acres) by the decimal form of the percentage:
\[ \text{Acres of old-growth trees} = 74,000 \times 0.002 \]
Calculating this gives:
\[ \text{Acres of old-growth trees} = 74,000 \times 0.002 = 148 \]
Therefore, there are 148 acres of old-growth trees in the forest.