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LuckyWell [14K]
3 years ago
7

There are 12 varieties of birds in a zoo, the number of each variety being

Mathematics
1 answer:
Radda [10]3 years ago
8 0

Answer:

below

Step-by-step explanation:

Geometric series with first term 3 and common ratio r.

Last variety = 3 * 2^(12-1) = 6144.

Total =  3 * (2^12 - 1) / (2-1)

= 12285

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