# Homework Hints 8-4

### Note: Homework Hints are given only for the Level 1 and Level 2 problems.

However, as you go through the book be sure you look at all the examples in the text. If you need hints for the Level 3 problems, check some sources for help on the internet (see the LINKS for that particular section. As a last resort, you can call the author at (707) 829-0606.

On the other hand, the problems designated “Problem Solving” generally require techniques that do not have textbook examples.

There are many sources for homework help on the internet.

Algebra.help
Here is a site where technology meets mathematics. You can search a particular topic or choose lessons, calculators, worksheets for extra practice or other resources.
http://www.algebrahelp.com/

Dr. Math is a registered trademark. This is an excellent site at which you can search to see if your question has been previously asked, or you can send your question directly to Dr. Math to receive an answer.
http://mathforum.org/dr.math/

Problems 1-4
There are many problems throughout the text labeled IN YOUR OWN WORDS. Just relax; do not be afraid to give your opinion. For the most part, these questions do not have “right” or “wrong” answers. You should spend about five minutes in answering each of these questions.
Problems 5-10
See the comparisons at the beginning of this section.
Problems 11-16
See Table 8.3.
Problems 17-24
These problems are designed to help you estimate in the metric system. Don’t be afraid to guess, check, and then revise, if necessary.
Problems 25-30
These problems are testing your knowledge of the metric system.
Problems 31-38
Basically, all you need to do is move the decimal point to the appropriate location. See Example 7.
Problems 39-44
In these problems you are deciding where to move the decimal point. See Example 8.
Problems 45-48
Use the appropriate formula for surface area. See Examples 4-5.
Problems 49-52
Use the appropriate volume formula. See Examples 1-3.
Problems 53-54
Use the appropriate surface area and volume formulas. See Example 5.
Problems 55-58
Read the problem carefully and think twice before you answer. See Example 6.