Mark M. answered • 11/02/20
Tutor
5.0
(278)
Mathematics Teacher - NCLB Highly Qualified
0.40 = (0.5)t/30
ln 0.40 = (t/30)(ln 0.5)
Can you solve for t and answer?
Nika K.
asked • 11/02/20Calculus II Exponential Growth and Decay
Find the half-life (in hours) of a radioactive substance that is reduced by 40 percent in 30 hours.
Follow
•
1
Add comment
More
Report
1 Expert Answer
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.
