Ask a New Question

Radioactive radium has a half-life of approximately 1599 years. What percent of a given amount remains after 100 years?

2 answers

left=original*e^(.692t/1599)

left/original= e^ ( )

put in t=100, and solve.

Sorry, Matt.

Ask a New Question or answer this question.

Similar Questions

Radioactive radium has a half-life of approximately 1599 years. What percent of a given amount remains after 100 years?
1. 1 answer
Radioactive radium () has a half-life of 1599 years. What percent of a given amount will remain after years?
1. 2 answers
If 70% of a radioactive element remains radioactive after 400 million years , then what percent remains radioactive after 600
1. 1 answer
if 60% of a radioactive element remains radioactive after 300 million years, then what percent remains radioactive after 500
1. 1 answer

more similar questions