Question

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what is the 15th term in the sequence:

3, 12, 48, 192, 768, . . . . ?

Answer 1

Answer: what is the 15th term in the sequence

3072

Step-by-step explanation:

3,12,48,192,768,3072 i did this

Answer 2

Ok so see each time 3 is multiplied by 4^(n-1) so at first it’s:

3.4^0= 3

Then it’s 3.4^1= 12

And so on.

So for the 15th term we just have to replace n by 15 so :

3.4^(15-1)

3.4^14= 805306368