Question 1170838
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the formula is:
d(t) = 5.41 / (1 + 2.9 * e ^ -.01t)

when t = 24, the formula becomes:
d(t) = 5.41 / (1 + 2.9 * e ^ -.24)

solve for d(t) to get:
d(t) = 1.648776579

that's the diameter of the tree after 24 years.
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