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Wittaler [7]
3 years ago
10

A turtle population grows in a manner that closely resembles a geometric sequence. Given the table of values, determine the turt

le population after 5 years.
Year Number of turtles
1 6
2 18
3 54
Mathematics
1 answer:
AleksandrR [38]3 years ago
5 0

The turtle population will be 486 after 5 years.

<u>Step-by-step explanation</u>:

The general form of a geometric progression or geometric sequence is a, ar, ar², ar³ and so on.

where,

  • a = first term
  • r = common ratio

<u>The formula to find the nth term in GP is :</u>

nth term = ar^{n-1}

The given sequence 6,18,54.

In this sequence,

  • The first term, a = 6
  • The common ratio, r = 18/6 = 3

5th term = 6\times3^{5-1}

⇒ 6\times3^{4}

⇒ 6\times81

⇒ 486

Therefore, after 5 years the population will be 486.

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