1.
Which number is
not
a factor of 315?
A.
5
B.
2
C.
9
D.
3
Hint
2.
Which number is divisible by 2, 3, and 5?
A.
945
B.
3100
C.
2052
D.
1230
Hint
3.
Write the expression 4 · 4 · 4 · 4 · 4 using exponents.
A.
5
4
B.
4
5
C.
5
5
D.
4
4
Hint
4.
The number 63 is an example of a ______.
A.
prime number
B.
prime factorization
C.
composite number
D.
factor tree
Hint
5.
What is the greatest common factor of 45, 75, and 135?
A.
15
B.
5
C.
25
D.
9
Hint
6.
Find 3
2
· 3
4
.
A.
3
9
B.
3
8
C.
3
2
D.
3
6
Hint
7.
Write 3,458,000 in scientific notation.
A.
3458 × 10
3
B.
3.458 × 10
3
C.
3.458 × 10
6
D.
0.3458 × 10
6
Hint
8.
Write
in standard form.
A.
3.57682
B.
357,682
C.
3,576,820
D.
0.357682
Hint
9.
Write 3 ·
x
·
x
·
x
·
x
·
y
·
y
·
y
·
y
using exponents.
A.
3
x
4
y
4
B.
3>
x
4
y
3
C.
3
4
x
4
y
4
D.
3
xy
8
Hint
10.
Factor 50
x
4
y
.
A.
2 · 5
2
·
x
2
·
x
2
·
y
B.
2 · 5 · 5 ·
x
·
x
·
x
·
x
·
y
C.
2 · 5
2
·
x
4
·
y
D.
2 · 5 · 5 ·
x
·
x
·
x
·
y
Hint
11.
The area of a rectangle can be written by the expression 24
x
4
+ 18
x
3
. Find a set of possible dimensions for this rectangle.
A.
24
x
3
by
x
+ 18
B.
2
x
4
by 12 + 9
x
C.
3 by 8
x
3
+ 6
x
3
D.
6
x
3
by 4
x
+ 3
Hint
12.
Four inches is what part of 1 yard? Write you answer as a fraction in simplest form.
A.
B.
C.
D.
Hint
13.
Which fraction is
written in simplest form?
A.
B.
C.
Already simplified
D.
Hint
14.
Find
A.
x
3
B.
x
8
C.
1
8
D.
1
3
Hint
15.
Write the expression 5
-4
using a positive exponent.
A.
5
4
B.
C.
D.
-5
4
Hint
16.
Evaluate
y
-5
if
y
= -2.
A.
B.
-32
C.
D.
32
Hint