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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. 14.7 cm[tex]\(^2\)[/tex]

B. 125.3 cm[tex]\(^2\)[/tex]

C. 99.1 cm[tex]\(^2\)[/tex]

D. 16.5 cm[tex]\(^2\)[/tex]

Answer :

To find out how much area the moss will cover after 6 months, we need to consider the initial area covered by moss and the growth rate of the moss each month.

1. Initial Area: The moss initially covers an area of 11 square centimeters.

2. Growth Rate: The moss grows by one and a half times (1.5 times) every month.

3. Time Period: We need to know how much the moss grows over the course of 6 months.

Let's calculate the final area:

- Every month, the moss area is multiplied by 1.5. So, after 1 month, the area becomes:
[tex]\[ \text{Area after 1 month} = 11 \times 1.5 \][/tex]

- After 2 months, the area becomes:
[tex]\[ \text{Area after 2 months} = (11 \times 1.5) \times 1.5 = 11 \times (1.5^2) \][/tex]

- Continuing this process for 6 months, the area becomes:
[tex]\[ \text{Area after 6 months} = 11 \times (1.5^6) \][/tex]

Using this calculation, the area after 6 months is approximately 125.3 square centimeters.

Therefore, the correct answer is:
B. 125.3 cm²

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