althavandenbosch althavandenbosch

26-01-2022
Mathematics

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The fifth term of a non-linear sequence is 324. The term-to-term rule is " multiply by 3".
Work out the second term of sequence.

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jimrgrant1 jimrgrant1

26-01-2022

Answer:

a₂ = 12

Step-by-step explanation:

Given a₅ = 324

The term- to- term rule is ' multiply by 3 '

Then the reverse rule is ' divide by 3 '

a₄ = a₅ ÷ 3 = 324 ÷ 3 = 108

a₃ = a₄ ÷ 3 = 108 ÷ 3 = 36

a₂ = a₃ ÷ 3 = 36 ÷ 3 = 12

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