Section 4.4 Homework Hints

Problems 1-2

IN YOUR OWN WORDS problems remind you of what you did in the previous section.

Problems 3-6

Light "on" represents a "1" and light "off" represents a "0." See Figure 4.4.

Problems 7-18

See Examples 1 and 2. Write each given number in exponential notation.

Problems 19-30

See Example 3. Use repeated division and keep track of the remainders.

Problems 31-34

See Table 4.9. The letter "D" follows the capital C (which has ASCII code 67), so "D" is 68. Repeat for each letter.

Problems 35-38

See Table 4.9. The number "67" is "C," so "68" is "D," ... and "72" is "H."

Problems 39-46

Read the directions to these problems carefully, and then use the addition and multiplication tables to work out an answer, as shown in Example 4.

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

There are many sources for homework help on the internet.

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

Ask Dr. Math
is a registered trademark. This is an excellent site at which you can serch 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/

Quick Math
provides online graphing calculators. This is especially useful if you do not have your own calculator.
http://www.quickmath.com/

The Math Formum @ Drexel
This site provides an internet mathematics library that can help if you need extra help. For additional homework help at this site, click on the MATHLINKS button at the left (below the chapter buttons).
http://mathforum.org/dr/math/

Mathematics Home Page
Access the Clemens and Alcuins Library of CSB/SJU and find one of the world's best collections of mathematical internet sites.
http://library.csbsju.edu/rqs.phtml?subject_id=32