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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]$14.7 \, cm^2$[/tex]
B. [tex]$125.3 \, cm^2$[/tex]
C. [tex]$16.5 \, cm^2$[/tex]
D. [tex]$99.1 \, cm^2$[/tex]

Answer :

Sure, let's solve this question step by step.

Paul starts with an initial moss area of 11 square centimeters. We need to determine the area covered by moss after 6 months if the moss area multiplies by one and a half times each month.

Here's how we can calculate it:

1. Identify the initial area:
- Initial area = [tex]\( 11 \, \text{cm}^2 \)[/tex]

2. Identify the growth rate per month:
- Growth rate per month = 1.5 times

3. Calculate the area covered after each month:
- Formula to calculate area after each month:
[tex]\[
\text{Final area} = \text{Initial area} \times (\text{Growth rate})^{\text{Number of months}}
\][/tex]

4. Substitute the values into the formula:
[tex]\[
\text{Final area} = 11 \times (1.5)^6
\][/tex]

5. Evaluate the exponent:
- [tex]\( (1.5)^6 \approx 11.390625 \)[/tex]

6. Multiply the initial area by the result:
- [tex]\( 11 \times 11.390625 \approx 125.3 \, \text{cm}^2 \)[/tex]

Therefore, the area of the moss after 6 months will be approximately [tex]\( 125.3 \, \text{cm}^2 \)[/tex].

So, the correct answer is:
B. [tex]\( 125.3 \, \text{cm}^2 \)[/tex]

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