Mathematics
Mathematics, 06.12.2019 09:31, hadwell34

Acertain element has a half life of 4.5 billion years. a. you find a rock containing a mixture of the element and lead. you determine that 60% of the original element remains; the other 40% decayed into lead. how old is the rock? b. analysis of another rock shows that it contains 5% of its original element; the other 95% decayed into lead. how old is the rock?

answer
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 17:20, kprincess16r
Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?
Answers: 1
image
Mathematics, 21.06.2019 23:00, lexybellx3
Will give a: 122 b: 90 c: 48 d: 180
Answers: 1
image
Mathematics, 22.06.2019 00:00, Angelofpink1143
What is the area of the shaded sector?
Answers: 2
image
Mathematics, 22.06.2019 01:30, cpulls189
Cherie works in retail and her weekly salary includes commission for the amount she sells. the equation s=400+0.15c models the relation between her weekly salary, s, in dollars and the amount of her sales, c, in dollars. interpret the slope of the equation.
Answers: 3
Do you know the correct answer?
Acertain element has a half life of 4.5 billion years. a. you find a rock containing a mixture of th...

Questions in other subjects:

Konu
Mathematics, 17.05.2021 22:30