The population of Vatican is 10^-4 million, and the population of India is 10^3 million. How many times more is the population of India than the Vatican? Leave your answer in the form a^b times more

An equation representing lyle’s hedge-trimming business is a = 12n - 300 where a is the amount of profit or loss in dollars and n is the number of hedges trimmed. how would the graph of lyle’s business change if the equation a = 10n - 300 represented his business? the graph would be flatter. the graph would be steeper. the graph would start closer to the origin. the graph would start lower on the y-axis.

Which one ? is the answer and how to find this answer

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days