the first one is the answer to #1
and the second one is the answer to #2
Answer: 
Step-by-step explanation:

Answer:
338262.1243
Step-by-step explanation:
Answer:
10,582 algae plants
Step-by-step explanation:
10,582 algae plants. You have to add 810 and 9,772 to get 10,582 algae plants.
Answer:
Um, I don't think you took the pic correctly... there is only one option showing.
Step-by-step explanation:
All I can say is good luck andd the first one should NOT be checkmarked.
Hope u pass! gl :)