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The growth of a bug population shows a geometric sequence as shown in the table.

This pattern continues indefinitely.
week 1 500
week2 600
week3 370
What will the population be on Week 26?

Week and population table


about 47,698


about 82,422


about 22,464


about 57,238

1 Answer

14 votes

Final answer:

To find the population on Week 26 of a bug population showing a geometric sequence, calculate the common ratio and apply it to the population on Week 1.

Step-by-step explanation:

The growth of the bug population shows a geometric sequence where the number of bugs increases or decreases by a constant ratio each week. To find the population on Week 26, we need to find the common ratio of the sequence and apply it to the population on Week 1.

  1. Calculate the common ratio by dividing the population on Week 2 by the population on Week 1: 600 / 500 = 1.2
  2. Apply the common ratio to the population on Week 1 to find the population on Week 26: 500 * (1.2)^(26-1) = 47,697.9

Therefore, the population on Week 26 is approximately 47,698 bugs.

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