26-02-2020
Mathematics

contestada

A 33 gram sample of a substance that's
used to detect explosives has a k-value
of 0.1467.

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7003270 7003270

26-02-2020

Answer:From the attached graphic, Half-life = ln (.5) / k

Half-life =.693147 / 0.1142

= 6.0695884413 days

Step-by-step explanation:The value of "k" should be negative and should have units associated with it.

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