Mathematics, 19.12.2020 05:20 serverdang02
Element X is used to date fossils, and has a half life of 400 years. If a fossil with Element X in is found to be 1200 years old, how many half lives have gone by?
Answers: 3
Mathematics, 21.06.2019 13:00, naynay1997
Lines p and q intersect. find the value of b. show your work. cite any theorems you use.
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15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m
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Mathematics, 21.06.2019 23:40, kamdenburr
Sanjay solved the equation below. which property did he use to determine that 7x+42=42 is equivalent to 7(x+6)=42 7x+42=42 7x=0 x=0
Answers: 1
Element X is used to date fossils, and has a half life of 400 years. If a fossil with Element X in i...
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