Situation: A 25 gram sample of a substance that's used
for drug research has a k-value of 0.1229.
Find the substance's half-life, in days.
Round your answer to the nearest tenth.
Enter the correct answer.
DONE
FO
2
N= Noe-kt
No = initial mass (at time t = 0)
N= mass at time t
k= a positive constant that depends on the
substance itself and on the units used to
measure time
t = time, in days
exit

In 2000, for a certain region, 27.1% of incoming college freshman characterized their political views as liberal, 23.1% as moderate, and 49.8% as conservative. for this year, a random sample of 400 incoming college freshman yielded the frequency distribution for political views shown below. a. determine the mode of the data. b. decide whether it would be appropriate to use either the mean or the median as a measure of center. explain your answer. political view frequency liberal 118 moderate 98 conservative 184 a. choose the correct answer below. select all that apply. a. the mode is moderate. b. the mode is liberal. c. the mode is conservative. d. there is no mode.