subject
Mathematics, 12.09.2019 02:30 roxyfranciscus

Asample contains 60% of its original amount of fermium-257. the half-life of fermium-257 is about 100 days. about how old is the sample? 52 days 60 days 74 days 136 days

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 21:00
Joanie watched 1 out of three of a movie in the morning
Answers: 1
question
Mathematics, 21.06.2019 22:10
Given: ae ≅ ce ; de ≅ be prove: abcd is a parallelogram. we have that ab || dc. by a similar argument used to prove that △aeb ≅ △ced, we can show that △ ≅ △ceb by. so, ∠cad ≅ ∠ by cpctc. therefore, ad || bc by the converse of the theorem. since both pair of opposite sides are parallel, quadrilateral abcd is a parallelogram.
Answers: 1
question
Mathematics, 22.06.2019 01:00
Which of the following is equal to the rational expression when x is not equal to -2 or -6?
Answers: 2
question
Mathematics, 22.06.2019 02:10
Aa at 9 a.m. it at 4 p.m. he a of $28.84.?
Answers: 2
You know the right answer?
Asample contains 60% of its original amount of fermium-257. the half-life of fermium-257 is about 10...
Questions