Question

Second question guys :(
A 33 gram sample of a substance that's used for drug research has a k-value of 0.1124.
Find the substance's half-line, in days. Round your answer to the nearest tenth.

Answer 1

solve
\[\frac{1}{2}=e^{-.1124t}\] for t

Answer 2

half life, yes?

Answer 3

yea i think so haha

Answer 4

it is
\[t=-\frac{\ln(.5)}{.1124}\]

Answer 5

i get 6 rounded
6.16678...

Answer 6

Is that the answer? :/

Answer 7

Yayyyyy it was right <3

Answer 8

on line class?

Answer 9

Yes :/