# MTH 215 Week 2 MyMathLab® Study Plan for Week 2 Checkpoint

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MTH 215 Week 2 MyMathLab® Study Plan for Week 2 Checkpoint

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# MTH 215 Week 2 MyMathLab® Study Plan for Week 2 Checkpoint

**Access** the** **Practice/Simulation/Homework/Game** **tab.

- Click
**External Content Launch**to access MyMathLab®.

- Click
**Homework and Tests**in MyMathLab® at the top-left of the screen.

- Click
**Study Plan for the weekly Checkpoint**.

- Click the green
**Practice**button next to the first un-mastered objective.

**Complete**the practice problems until you feel ready for a quiz.

- Click the
**Close**button. Return to the Study Plan for the weekly Checkpoint.

- Click the
**Quiz Me**button.

- Correctly answer the questions to earn the Mastery Point (MP). There may be 2-3 questions per Quiz Me.

**Note:**If you do not correctly answer the questions in the Quiz Me, you must click**Practice**and successfully complete at least 1 practice problem before you can retake the Quiz Me. You can follow this process and attempt each Quiz Me as often as necessary.

- After earning the Mastery Point for the first objective, continue working in the Study Plan using the same process described above until you have earned all Mastery Points for the Week.

*Important Note:* You must earn at least 60% of the Mastery Points this week before moving on to the Checkpoint. It is highly recommended that you earn 100% of the Mastery Points before moving on to the Checkpoint.

**3.B Putting Numbers in Perspective**

- Decide if a statement involving numbers makes sense.

- Brief Review-Working with Scientific Notation

- Use scientific notation.

- Use estimation and make comparisons.

- Calculate energy comparisons.

- Find scale ratios.

- Solve application problems involving ratios and scientific notation.

- Solve sampling problems.

Rewrite the following statement using a number in scientific notation.

My new music player has a capacity of 300300 gigabytes.? (Recall that giga means? billion.)

My new music player has a capacity of

3 times 10 Superscript 11 3×10^11 bytes.

?(Use scientific notation. Use the multiplication symbol in the math palette as? needed.)

Rewrite the following statement using a number in scientific notation.

The diameter of a certain bacterium is about 0.0000008 meters.

The diameter of a certain bacterium is about

8 times 10 Superscript negative 7 meters.

?(Use scientific notation. Use the multiplication symbol in the math palette as? needed.)

Use estimation to make the following comparison.

Which is? greater, the amount the average person spends in a month on coffee or the amount the average person spends in a month on? gasoline?

Choose the correct answer below.

The amount a person spends on coffee in a month is greater.

The amount a person spends on gasoline in a month is greater.

Could an average person lift the weight of? $100 in? dimes? (A single dime weighs approximately 2.27? grams.)

Choose the correct answer below.

Yes because the weight of 1000 dimes is about 10 pounds.

Yes because the weight of 1000 dimes is about 5 pounds.

No because the weight of 1000 dimes is about 50 pounds.

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