The average distance from the sun to the planet venus is about 261,000,000 km. the diameter of a human hair is about 0.0025 cm. (a) what is the distance from the sun to venus written in scientific notation? (b) what is the diameter of a human hair written in scientific notation?

Phyllis and chen are saving money to go to a football game. each friend starts with some money and saves a specific amount each week. phyllis made a graph to show the total she has saved at the end of each week. chen wrote an equation to show the total, y, he has saved at the end of each week, x. y = 15x + 15 compare the amount that each friend has when both friends start saving. select the correct answer from the drop-down menu to complete the statement. phyllis starts with $ and chen starts with $