1st half life: 195/2 = 97.5 g
2nd half life: 97.5/2 = 48.75 g
3rd half life: 48.7/2 = 24.375 g
4th half life: 24.375/2 = 12.1875 g
5th half life: 12.1875/2 = 6.09375 g
or you can do
195(2)^(-5) = 6.09375
** rounded to nearest gram = 6 g
Answer:
no he will make it home at 18:15
Step-by-step explanation:

Im thinking it's false. 18 isn't even between 4 and 9.
Answer:
<em>b. 5 + 17i</em>
Step-by-step explanation: