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Galina-37 [17]
3 years ago
5

a fibonacci sequence begins 1 1 2 3 5 8 what is the 7th number in the sequence. what is the 9th number in the sequence​

Mathematics
2 answers:
prisoha [69]3 years ago
7 0
7th number is = 13
9th number is = 34
EleoNora [17]3 years ago
3 0

1

1 + 0 = 1

1 + 1 = 2

1 + 2 = 3

2 + 3 = 5

3 + 5 = 8

5 + 8 = 13

8 + 13 = 21

13 + 21 = 34

21 + 34 = 55

1, 1, 2, 3, 5, 8, 13, 21, 34, 55

Hope this helps! :)

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