Grade 8 | Unit 7 | Lesson 15: Adding and Subtracting with Scientific Notation | Practice Problems

Evaluate each expression, giving the answer in scientific notation:

Write a scenario that describes what is happening in the graph. What is happening at 5 minutes? What does the slope of the line between 6 and 8 minutes mean?

Apples cost $1 each. Oranges cost $2 each. You have $10 and want to buy 8 pieces of fruit. One graph shows combinations of apples and oranges that total to $10. The other graph shows combinations of apples and oranges that total to 8 pieces of fruit. Name one combination of 8 fruits shown on the graph whose cost does not total to $10. Name one combination of fruits shown on the graph whose cost totals to $10 that are not 8 fruits all together. How many apples and oranges would you need to have 8 fruits that cost $10 at the same time?