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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