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MTH 215 Week 2 MyMathLab® Week 2 Checkpoint

Prerequisite Assignment: MyMathLab® Study Plan for Weekly Checkpoint.

1. Click on the Quiz tab.
2. Click External Content Launch to access MyMathLab®.
3. Click Homework and Tests in MyMathLab® at the top-left of the screen.

Important Notes: You must earn at least 60% of the Mastery Points in the weekly MyMathLab® Study Plan, before you may start the Weekly Checkpoint.

It is highly recommended that you earn all Mastery Points in the weekly MyMathLab® Study Plan Checkpoint. You have one attempt to complete the Weekly Checkpoints and do not have access to the Help me Solve This or View an Example features.

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.

A.

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

B.

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

C.

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

D.

Yes because the weight of 1000 dimes is about 1 pound.

Restate the following fact as indicated.

Approximately 33,000 citizens of a country died in automobile accidents in 2015. Express this toll in deaths per day.

There were approximately

90

deaths per day due to automobile accidents.

​(Round to the nearest whole number as​ needed.)

Restate the following fact as indicated.

In​ 2015, there were approximately 32,100 firearm fatalities​ (homicides and​ suicides). Express this quantity in deaths per hour.

There were approximately

3.7

deaths/hour due to firearm fatalities in 2015.

​(Round to one decimal place as​ needed.)