Question

A fibonacci sequence begins: 1,1,2,3,5,8...

what is the 7th number in the sequence?

Answer 1

13

Begining with the third term, each term of the sequence is the sum of the preceding two.

• 1+1 = 2
• 1+2 = 3
• 2+3 = 5
• 3+5 = 8
• 5+8 = 13