1.
In the expression (-4)
2
, -4 is called the ______.
A.
power
B.
base
C.
product
D.
exponent
Hint
2.
Find
y
for
y
=
x
2
- 15 if
x
= 6.
A.
49
B.
-3
C.
21
D.
51
Hint
3.
Find the greatest common factor of 64
ab
3
c
2
and 48
a
2
b
2
c
.
A.
16
ab
2
c
B.
8
ab
3
c
C.
8
a
2
b
2
c
2
D.
16
abc
Hint
4.
What is the greatest common factor of 18
mn
2
, 54
m
4
, and 80
n
3
?
A.
2
mn
2
B.
9
mn
C.
2
D.
18
m
2
n
3
Hint
5.
Find the quotient
A.
8
3
B.
8
18
C.
8
9
D.
8
-3
Hint
6.
Simplify
A.
B.
2
ab
2
C.
D.
Hint
7.
The diameter of a volcanic particle averaged 0.000022 meter. What is this measure written in scientific notation?
A.
2.2 × 10
B.
0.22 × 10
-4
C.
2.2 × 10
5
D.
2.2 × 10
-5
Hint
8.
The number 462 is divisible by which of the following?
A.
10
B.
6
C.
5
D.
None of these
Hint
9.
The number 97 is divisible by which of the following?
A.
None of these
B.
3
C.
6
D.
5
Hint
10.
Factor –15
x
2
.
A.
-1 · 3 · 5 ·
x
2
B.
-1 · 3 · 5 ·
x
·
x
C.
3 · 5 ·
x
2
D.
3 · 5 ·
x
·
x
Hint
11.
Write the prime factorization of 500.
A.
2
3
· 5
2
B.
2
4
· 5
2
C.
5 · 10
2
D.
2
2
· 5
3
Hint
12.
Which fraction is
written in simplest form?
A.
B.
C.
Already simplified
D.
Hint
13.
Simplify
A.
Already simplified
B.
C.
D.
Hint
14.
Write
as an expression using a negative exponent.
A.
-2
6
B.
C.
2
-6
D.
Hint
15.
Evaluate
x
-4
if
x
= 3.
A.
81
B.
C.
D.
-81
Hint
16.
Express 35,329 in scientific notation.
A.
3.5329 × 10
4
B.
3.5329 × 10
-4
C.
3.5329 × 10
5
D.
35.329 × 10
3
Hint