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Select the correct answer.

Paul is gathering data about moss growth in a local forest. He measured an area of 11 square centimeters on one particular tree and will come back in 6 months to measure the growth of the moss. If the area covered by moss multiplies by one and a half times each month, approximately how much area will the moss cover when Paul returns?

A. [tex]99.1 \, \text{cm}^2[/tex]

B. [tex]14.7 \, \text{cm}^2[/tex]

C. [tex]125.3 \, \text{cm}^2[/tex]

D. [tex]10.5 \, \text{cm}^2[/tex]

Answer :

To determine how much area the moss will cover after 6 months, we need to account for the growth of the moss each month. Initially, Paul measured an area of 11 square centimeters covered by moss. The moss multiplies by one and a half times (or 1.5) each month. Let's see how we can calculate the area after 6 months:

1. Initial Area: Start with the initial area of 11 square centimeters.

2. Monthly Growth Factor: Each month, the moss grows 1.5 times its previous area.

3. Number of Months: Paul will return after 6 months to measure the growth.

4. Calculate the Area After 6 Months:
- To find the area after 6 months, multiply the initial area by the growth factor raised to the power of the number of months. This can be represented by the formula:

[tex]\[
\text{Final Area} = \text{Initial Area} \times (\text{Growth Factor})^{\text{Number of Months}}
\][/tex]

- Substituting the given values:

[tex]\[
\text{Final Area} = 11 \times (1.5)^6
\][/tex]

- After performing the calculation, the approximate area the moss will cover after 6 months is 125.3 square centimeters.

So, the correct answer is C. 125.3 cm².

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