These problems test your understanding of this section.
If you are having trouble answering these question,
go back and read the section.
See Table 4.5; note the people in these problems are
like the dots in Table 4.5.
See Example 1; this step is the first step in changing
from a base b to a base 10, except leave your
answer in expanded form without multiplying out the
answer.
See Example 1. Write each of these numbers in expanded
notation.
See Examples 2 and 3. Use repeated division and read
the answer by looking at the remainders.
See Example 4, and keep in mind changing number bases.
Problem 38; hours and
days write base 12 base twenty-four to mean one day
and two hours.
Problem 39; weeks and days write 12 base seven
to mean one week and two days.
Problem 40: pounds and ounces write 12 base sixteen
to mean one pound and two ounces.
Problem 41: feet and inches write 12 base twelve
to mean one foot and two inches.
Problem 42: quarters, nickels, and pennies write
123 base twenty-five to mean one quarter, two nickels,
and 3 pennies.
Problem 43: gross, dozens, and units write 123
base 12 to mean one gross, two dozen, and 3 units.
The other problems use one of the above named
bases.
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.
