Question

What is the 7th term in this fibonacci sequence 1, 1,2,3,5,8​

Answer 1

Answer:

13

Step-by-step explanation:

$\text{The Fibonacci sequence:}\\\\F_n=F_{n-2}+F_{n-1},\ \text{for}\ n>2\\\\F_1=1,\ F_2=1\\\\F_3=F_1+F_2\to F_3=1+1=2\\\\F_4=F_2+F_3\to F_4=1+2=3\\\\F_5=F_3+F_4\to F_5=2+3=5\\\\F_6=F_4+F_5\to F_6=3+5=8\\\\F_7=F_5+F_6\to F_7=5+8=13\\\vdots$

$\text{Each subsequent term in the sequence is created by adding the previous two terms.}$

Answer 2

Answer:

13

Step-by-step explanation:

To obtain a term in a Fibonacci sequence, add the previous 2 terms, thus

7 th term = 8 + 5 = 13