Answer the questions below. When you are finished, submit this assignment to your teacher by the due date for full credit.
Total score: ____ of 15 points
(Score for Question 1: ___ of 4 points)
- Refer to Expression 1 and Expression 2.
Expression 1
Expression 2
- What is the value of Expression 1?
- Insert parentheses in Expression 2 so that it has a value of 19. Then show why your expression has a value of 19.
Answer:
(Score for Question 2: ___ of 3 points)
- The average distance from the sun to the planet Mercury is about 58,000,000 km. The diameter of a human hair is about 0.0025 cm.
- What is the distance from the sun to Mercury written in scientific notation?
- What is the diameter of a human hair written in scientific notation?
- In comparing the measurements in Parts (a) and (b), what else must be done before a comparison is made?
Answer:
(Score for Question 3: ___ of 8 points)
- The population of Columbus, Ohio, in 2014 was about 823,000. The population of the United States was about 319 million in 2014.
- Write each population in scientific notation.
- About how many times larger was the population of the United States than the population of Columbus, Ohio? Show your work.
Answer:
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