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IM 8.7.14 Practice: Multiplying, Dividing, and Estimating with Scientific Notation

Evaluate each expression. Use scientific notation to express your answer.

How many bucketloads would it take to bucket out the world’s oceans? Write your answer in scientific notation.

Some useful information:

  • The world’s oceans hold roughly  cubic kilometers of water.
  • A typical bucket holds roughly 20,000 cubic centimeters of water.
  • There are cubic centimeters in a cubic kilometer.

The graph represents the closing price per share of stock for a company each day for 28 days.

What variable is represented on the horizontal axis?

In the first week, was the stock price generally increasing or decreasing?

During which period did the closing price of the stock decrease for at least 3 days in a row?

Write an equation for the line that passes through and .

Explain why triangle is similar to triangle .