Posted by **Nikki** on Tuesday, January 26, 2010 at 6:14pm.

question 1: A series is:

1. any list of numbers

2. a summation of quantities whose positions are based upon the natural numbers

3. an arrangement of quantities whose positions are based upon the natural numbers.

Which number is it?

question 2: For the rule of 78, for a 12 month period, the last term in the sequence is 12 and the series sums to 78.

For a 14 period, the last term is ? and the series sum is ?.

For a 16 month period, the last term is ? and the series sum is ?.

For a 20 month period, the last term is ? and the series sum is?.

Thanks.

- Math -
**Aziz**, Wednesday, January 27, 2010 at 3:10pm
Q2

Question # 2: For the rule of 78, for a 12 month period, the last term in the sequence is 12 and the series sums to 78.

For a 14 period, the last term is ? and the series sum is ?. last term = 14 sum of series = 105

For a 16 month period, the last term is ? and the series sum is ?. last term =16 , sum of series = 136

For a 20 month period, the last term is ? and the series sum is ?. last term = 20 , sum of series = 210

- Math -
**keval**, Sunday, June 24, 2012 at 5:14am
78 in yearly

- Math -
**Shey**, Sunday, October 6, 2013 at 11:21am
question 1: a series is a summation of quantities based upon a sequence.

- Math -
**GMM**, Thursday, October 20, 2016 at 10:57am
Rub some bacon on it.

- Math -
**Khandakar abul fattah**, Sunday, November 20, 2016 at 10:16pm
For the rule of 78 ,for 12 month period , the last term in the squence is 12 and the series sums to 78

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