Answer:
Step-by-step explanation:
200m^2-800n^2=200(m^2-4n^2)
Answer: 4
40
0.0000007 as a regular notation
or 7x10^-7 as scientific notation
Answer: 2,306,973.7 rounded... 2,306,974
900,000(1+.04)^24
-3
