Question

Lead-210 has a half life of 22 years. what percent of radioactive lead atoms will remain after 90 years?

(round the answer)​

Answer 1

Percent of radioactive lead atoms remain after 90 years = 5.87%

5.87% of radioactive lead atoms will remain after 90 years.

Step-by-step explanation:

look at the picture, sorry it took so long