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If the Half-Life of a Material Is 45 Years,how Much

Question 120

Multiple Choice

If the half-life of a material is 45 years,how much of it will be left after 100 years?

A) more than 1/2
B) less than 1/2 but more than 1/4
C) more than 1/4 but less than 1/2
D) less than 1/4 but more than 1/8
E) less than 1/8

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