Amber C.

asked • 08/13/15

radioactivity with exponential decay

a radioactive substance decays according to the equation A(t)=A0(0.1)0.073, where t is in years and A0+1 is the original amount of the substance. How long will it take until there is only 10% of the original amount left?

1 Expert Answer

By:

Lisa B. answered • 08/14/15

Tutor
5.0 (261)

Helping Students Succeed in Science and Math for 20+ Years

See tutors like this
See tutors like this
Your equation is missing the "t" variable that you need to solve for. Can you double check your question set up?
Upvote • 0 Downvote
More
Report

Amber C.

the t was not given 
Report

08/14/15

Lisa B.

I understand t was not given; t is the variable that you are solving for, but it must be present in the equation so that you can find its value as t = a number.
 
Does that makes sense?
Report

08/14/15

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.