Answer: I believe this will be your answer for this.
<u>x = </u>
<u> so basically this is your solution of x equaling to 2 over 729.</u>
<u>(hope this helps!)</u>
Answer: 
Step-by-step explanation:
Given
Half life of radioactive substance is 
Initial amount 
Amount left at any time is given by

It takes 26.4 days to reach 2 gm.
Marking the questions as 12345.
1 is G, 2 is E, 3 is D, 4 is C, and 5 is A. But I might be misunderstanding this too.
Answer:
3m/s
Step-by-step explanation:
delta y = 40m - 10m = 30m
delta x = 20s - 10s = 10s
slope = delta y / deltax = 30m / 10s = 3m/s