Answer:
33993.0768
Step-by-step explanation:
You can multiply the number of bacteria by (0.2^4). The 0.2 is for the 20% that left after each day. The (^4) is for the 4 days that have passed.
1638m²
42×39= 1628m²
Are you good in the brain im your teacher and i see that you are trying to cheat
they are opposite angles, same value of 45°
