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15 March, 18:04

A brand new filled jar of jam is 10 cm tall and has a radius of 5 cm. Ann's family eats some of the jam one weekend and now the jam in the jar is 4 cm high. Approximately how much jam did Ann's family eat? Round your final answer to the nearest whole number.

Answers A 150 B 314 C471 D785

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  1. 15 March, 18:13
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    Volume = π • r² • height

    Volume = PI * 5^2 * 10

    Volume = 785. 4 cm^3

    Volume = PI * 5^2 * 4

    Volume = 314. 2 cm^3

    Jam consumed = 785.4 cm^3 - 314.2 cm^3

    Jam consumed = 471.2 cm^3

    answer is C
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