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A sample of phosphorus-32 has a half-life of 14.28 days. If 55 g of this radioisotope remain unchanged after approximately 57 days, what was the mass of the original sample? Note: the correct answer is
asked
Jun 17, 2018
Mathematics
high-school
1
answer
2
votes
114k
views
jake can carry 6 1/4 pounds of wood in from the barn. His father can carry 1 5/7 times as much as Jake. How many pounds can Jakes's father carry?
asked
Apr 19, 2018
Mathematics
middle-school
1
answer
5
votes
74.0k
views
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