T102 Chapter 7 & 8 REVIEW
This review is only a sampling of possible exam questions. You should be sure to review NOTES,
HOMEWORK, QUIZZES, and any other class materials.
Be sure to use your calculator sparingly as many of these review questions may be on the
NON

CALCULATOR portion of the exam.
NC means
ʺ
No Calculator
ʺ
1) Rewrite 4
·
10
3
+
3
·
10

3
as a decimal.
NC
2) Write 21.034 in words. NC
3) Mentally determine whether each of the
following represent terminating decimals.
Answer YES or NO.
Explain your answer .
NC
a.
7
12
b.
17
5
2
·
2
3
c.
12
15
4) Find the next three terms for the following
sequence
0.3, 1.4, 2.5, 3.6, 4.7, _____, ______, _____
5) Convert 3.4 x 10

6
to standard numerals. NC
6) Perform the indicated operation and write
your answer in
scientific notation
.N
C
(7 x 10

3
)(6 x 10

5
)
7) Round each of the following numbers as
specified. NC
a. 406.792 to the nearest hundredths.
b. 406.792 to the nearest ten.
8) Use long division to find the following
quotient. DO NOT USE YOUR
CALCULATOR.
SHOW ALL WORK .
232.2
÷
4.5
9) Rewrite as a terminating decimal.
3
16
NC
10) Write the terminating decimal as a fraction.
7.9
NC
11) Rewrite the following in expanded form. NC
9.000738
12) WITHOUT USING A CALCULATOR
multiply the following.
Show all work.
Explain how your decimal placement in your
answer.
3.78 x 7.4.
13) Convert each of the following fractions to their
decimal forms WITHOUT YOUR
CALCULATOR.
a.
4
11
b.
7
40
c.
4
21
14) Place
<
,
>
, or
=
in the space between each of
the following pairs to make true statements.
NC
a) 4.45
_______ 12
b. 2.9
_________ 3
c. 5. 8 9
_______ 5.8 9
15) Stephanie want to buy some camera
equipment to take pictures on her daughter
ʹ
s
birthday. To estimate the total cost, she
rounds each price to the
nearest dollar
and
adds the rounded prices. What is her estimate
for the items listed below? Show how you
arrived at your answer. NC
CAMERA
$7 5.8 0
FILM
5.6 5
CASE
2 2. 8 9
BATTERY
1 5.8 9
T102 Chapter 7 & 8 Review
Page 1
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View Full Document16) Convert each of the following rational
numbers to the form
a
b
, where a and b are
integers and b
≠
0.
Show work to justify your
answer.
NC
a. 0.2 9
b. 0.5 6
c. 0.4 5
d.

2.4 83
17) Rewrite as a numeral.
Three thousand and twenty

two
hundred

thousandths
18) Write each of the following in the simplest
form a
n
b
, where a and b are integers, and b
has the least value possible.
NC
a.
120
b.
3
81
19) If the following letters correspond to the sets
listed in the table below, complete the
following table by placing checkmarks in the
appropriate columns. NC
Number
N
I
Q
R
S

4
5.8
6
2
1
4
20) Susie
ʹ
s Bicycle shop advertised a bicycle for
15% off for a savings of $24. The bicycle did
not sell so it was offered at a new 20%
discount off the sale price.
a. What did the bicycle sell for regularly?
b. What is the amount of the new discount?
21) Fill in the blanks. NC
PERCENT
DECIMAL
FRACTION
a.
83%
b.
4.78
c.
4
1
2
22) The price of a suit was $200 and it was
reduced by 30%. By what percent must the
price of the suit be increased to bring the price
back to $200?
Round your answer to the
nearest percent.
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 Bonacci
 NC, A., State highways in North Carolina

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