Sally has 3 dogs and 4 cats that she has to feed separately every day. a. How many different orders can she feed her pets in? b. What is the probability that her first three pets to be fed are her cats?

Indonesia has the highest Population Density (1045.7935 people per Km square)

Ghana has the least Population Density (77.20611 people per Kilometre Square)

Step-by-step explanation:

Population density is the per unit value of People living in a particular geographical area to the land mass.

Population density = Total Population / Land mass per square

Indonesia =203,479,000/1,904,569

=1045.7935people per Km square

Denmark= 5,248,000/42,077

=124.7237 people per Kilometre Square

Ghana=18,339,000/237,533

=77.20611 people per Kilometre Square