Situation:
find the substance's half-life, in days.
round your answer to the nearest tenth.
a 31 gram sample of a substance that's a
by-product of fireworks has a k-value of
0.1173
enter the correct answer.
n - noekt
done
no - initial mass (at time t-0)
oh
n - mass at timet
k - a positive constant that depends on
the substance itself and on the units
used to measure time
t-time, in days