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Find the balance at the end of 4 years if 1000 is deposited at the rate of

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300