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Can someone help me and Show work:) then you so much

Can someone help me and Show work:) then you so much-example-1
User CragMonkey
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Answer: 14,348,907 grains of sand

Step-by-step explanation

We have the geometric sequence {1, 3, 9, 27, 81, 243, ...}

The nth term is 1*3^(n-1) where n is a positive integer. The last term happens when n = 16, so there will be 1*3^(16-1) = 14,348,907 grains of sand on the 16th square.

User Ironmaurus
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