Question 975307: the number of the sequence is 17, if the second number is 3, what is first number of the sequence?
Answer by farohw(175) (Show Source):
You can put this solution on YOUR website!
In this sequence, if the second number is 3 then the pattern is: multiply each number by 2 then subtract 1.
2, 3, 5, 9, 17
So the first number of the sequence is 2.
|
|
|