7.3k views
3 votes
Determine how many days t will the two isotopes have the same activity

Determine how many days t will the two isotopes have the same activity-example-1
User Arash GM
by
8.3k points

1 Answer

3 votes

Answer:

t = 1 ... one day

Explanation:

3 x
10^(18) *
(.5)^(t) = 6 x
10^(18) *
(.5)^(2t)

3 x
10^(18) =
(.5)^(2t) /
(.5)^(t)

6 x
10^(18)

1/2 =
.5^(t)

ln( 1/2) = t ln(
.5 )

t = ln( .5)/ln(
.5 )

t = 1

User HM Tanbir
by
7.6k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories