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12 January, 16:46

A 40 gram sample of substance that's used for drug research has a k-value of 0.1455.

Find the substance's half-life, in days.

Round your answer to the nearest tenth.

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  1. 12 January, 18:15
    0
    40x0.1455 is 121.3

    121.3 is the answer
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