Mathematics, 15.01.2021 17:30 chandra99
The half-life of a radioactive kind of yttrium is 50 minutes. How much will be left after 150 minutes, if you start with 416 grams of it?
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Heather is a cashier. she can ring up 1212 customers in 99 minutes. at this rate, how many minutes does it take her to ring up 44 customers?
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The half-life of a radioactive kind of yttrium is 50 minutes. How much will be left after 150 minute...
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