subject
Mathematics, 29.01.2021 21:30 skmc1985

Sean is conducting an experiment with an isotope of a particular element that has a half-life of 4 hours. He begins with a sample of the isotope with a mass of 92 grams. He then measures the mass of the object every hour. What is the approximate mass of the sample after 20 hours? A.
2,944 grams
B.
0.0313 of a gram
C.
1.4375 grams
D.
2.875 grams

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 14:00
7x+8y=-18, 4x-9y=-3 solve the system of equations
Answers: 3
question
Mathematics, 21.06.2019 16:30
Which statement about perfect cubes is true
Answers: 1
question
Mathematics, 21.06.2019 21:30
Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?
Answers: 1
question
Mathematics, 22.06.2019 03:00
The accompanying data represent the miles per gallon of a random sample of cars with a three-cylinder, 1.0 liter engine. (a) compute the z-score corresponding to the individual who obtained 42.342.3 miles per gallon. interpret this result.
Answers: 3
You know the right answer?
Sean is conducting an experiment with an isotope of a particular element that has a half-life of 4 h...
Questions
question
English, 11.05.2020 16:57
Questions on the website: 13722362