What Is The 13th Term In The Fibonacci Sequence?
Term
1
2
3
4
5
6
7
8
9
Fibonacci Number
1
1
2
3
5
8
13
21
34

- anonymous

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- anonymous

Next term can be found by sum of previous two terms..

- anonymous

34 + 21 = 55 is the next term..
Like wise 55 + 34 = 89 is its next term..
Like wise find the 13th term here..

- cwrw238

each term is formed by adding the previous 2 terms
so the 10th term is 21 + 34 = 55
repeat this procedure 3 more times and you have the 13th term

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- anonymous

Wait I add the Fibonacci numbers? or te terms?

- anonymous

Ohh Okay Thanks.

- anonymous

Fibonacci..

- cwrw238

get it?

- anonymous

Okay I Got 142.

- anonymous

So, what is the 13th term you got?

- anonymous

No..
How??

- anonymous

What you added??

- anonymous

I added 34+55=89
Then 55+89.
Thats wrong?

- anonymous

55 + 89 = ??

- anonymous

142

- anonymous

Ohh crap Okay I See.

- anonymous

How??

- anonymous

Add it carefully..

- anonymous

144

- cwrw238

5 + 89 = 144

- cwrw238

yea

- anonymous

Yep..
Do it one more time..

- anonymous

*55??

- anonymous

233

- anonymous

You got this as your 12th term, do one more time, you will get 13th term..
Yep you are right.. :)

- anonymous

Thank you!

- cwrw238

sorry i meant 55 + 89

- anonymous

It is okay @cwrw238

- anonymous

You are welcome dear..

- anonymous

Okay So The Next Question Asks
What is the sum of the first 13 terms in the Fibonacci Sequence?
What Does That Mean?

- anonymous

@cwrw238

- anonymous

@BeastMuch it's 233 btw

- anonymous

tht 13 number

- anonymous

Ohh So Its The Same Ting??

- anonymous

yep :]

- anonymous

Okay So What About This One?
What is the ratio between the 13th and 12th terms in the Fibonacci Sequence?
Round your answer to five decimal places.

- anonymous

umm not to sure bout tht one you'll have to give me a minute :)

- anonymous

OKay Thanks.

- cwrw238

12th term is 144 and 13th term is 233
the ratio is 233 / 144 which you can find on your calculator

- anonymous

Would You Divide?

- cwrw238

the sum of the first 13 terms is what it says
1+ 1 + 2 + ..... +144+ 233

- cwrw238

233 divided by 144

- anonymous

1.61805 ?

- anonymous

yaw

- cwrw238

1.61806 is more exact but they would probably accept 233/144 as the answer
- just write them both !!!

- anonymous

Haha OKay Thanks.

- cwrw238

yw

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