A sequence of numbers...
A sequence of numbers is formed by multiplying the previous number by 3 and then subtracting 2. The first number in the sequence is 1. What is the fifth number in the sequence?
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We can work this out by writing out the sequence:
ReplyDelete1
3(1) - 2 = 1
3(1) - 2 = 1
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We can see that all values in the sequence are 1!
This means that the fifth value in the sequence is 1 and that is our solution