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A rabbit gives birth to two rabbits . If a rabbit gives birth to 2 rabbits, and two rabbits in turn gives birth to two rabbits each. How many rabbits will there be after 6 number of births???

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by valdez13

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by valdez13

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Remember that the summation of terms in a geometric progression is defined by the formula,

where Sn is the total number, a1 is the first term, r is the common ratio or the multiplier to have the next term and n is the number of terms.

Knowing that the first term is 1, r is 2 and n is 6 then you'll have it as: