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anonymous
 one year ago
A 10 gram sample of a substance that's used to detect explosives has a kvalue of 0.1353.
Find the subtance's halflife, in days.round to the nearest hundreds
anonymous
 one year ago
A 10 gram sample of a substance that's used to detect explosives has a kvalue of 0.1353. Find the subtance's halflife, in days.round to the nearest hundreds

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Jack1
 one year ago
Best ResponseYou've already chosen the best response.0u can use the same equation from last time, just now its N = No e ^kt so for 1/2 life N = No e ^kt 5 = 10 e ^(0.1353t)
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