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anonymous
 3 years ago
Iodine131 has a halflife of 8.10 days. In how many days will 50 grams of Iodine131 decay to oneeighth of its original amount?
24.3
32.4
40.5
48.6
I think it's the first one.
anonymous
 3 years ago
Iodine131 has a halflife of 8.10 days. In how many days will 50 grams of Iodine131 decay to oneeighth of its original amount? 24.3 32.4 40.5 48.6 I think it's the first one.

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Zale101
 3 years ago
Best ResponseYou've already chosen the best response.1multiply the number of halflife 8.1 by 3

Zale101
 3 years ago
Best ResponseYou've already chosen the best response.1the number after a decimal should be three, other than that, it's not an answer
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