How is 1/5 changed to a decimal

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.

Steve had 48 chocolates but he decided to give 8 chocolats to each of his f coworkers. how many chocolates does steve have left

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?