Question

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Answer 1

Answer:

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Answer 2

Each one of those coins is also a cylinder (just a very very short one), and its volume is 

V = πr²h = π(.75)²(.2) = 9π/80 cm³ 

The right circular cylinder has volume V = π(2.25)²(10) = 405π/8 cm³. 

Divide the larger cylinder's volume by the volume of each coin = (405π/8) / (9π/80) = 450 coins 

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