1.
Choose a tens digit for 2?6 so that the three-digit number is divisible by 6.
A.
3
B.
0
C.
2
D.
1
Hint
2.
Find
y
for
y
=
x
2
- 15 if
x
= 6.
A.
-3
B.
49
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.
8
a
2
b
2
c
2
B.
16
ab
2
c
C.
8
ab
3
c
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.
2
C.
9
mn
D.
18
m
2
n
3
Hint
5.
Write the ratio 24 to 96 in simplest form.
A.
B.
C.
D.
Hint
6.
Find the quotient
A.
8
18
B.
8
-3
C.
8
3
D.
8
9
Hint
7.
Write 3,458,000 in scientific notation.
A.
0.3458 × 10
6
B.
3.458 × 10
6
C.
3458 × 10
3
D.
3.458 × 10
3
Hint
8.
The number 462 is divisible by which of the following?
A.
10
B.
None of these
C.
5
D.
6
Hint
9.
Write 3 ·
x
·
x
·
x
·
x
·
y
·
y
·
y
·
y
using exponents.
A.
3
xy
8
B.
3
x
4
y
4
C.
3
4
x
4
y
4
D.
3>
x
4
y
3
Hint
10.
Factor 50
x
4
y
.
A.
2 · 5
2
·
x
2
·
x
2
·
y
B.
2 · 5 · 5 ·
x
·
x
·
x
·
y
C.
2 · 5
2
·
x
4
·
y
D.
2 · 5 · 5 ·
x
·
x
·
x
·
x
·
y
Hint
11.
Factor 39
x
2
y
3
.
A.
3 · 13 ·
x
2
·
y
2
·
y
B.
3 · 13 ·
x
·
y
·
y
·
y
C.
39 ·
x
·
x
·
y
·
y
·
y
D.
3 · 13 ·
x
·
x
·
y
·
y
·
y
Hint
12.
Eight feet is what part of 10 yards? Write your answer as a fraction in simplest form.
A.
B.
C.
D.
Hint
13.
Find
x
7
·
x
4
.
A.
x
28
B.
xx
28
C.
x
11
D.
xx
11
Hint
14.
Write
as an expression using a negative exponent.
A.
B.
2
-6
C.
D.
-2
6
Hint
15.
Evaluate
x
-4
if
x
= 3.
A.
B.
81
C.
-81
D.
Hint
16.
Express 2.629 × 10
7
in standard form.
A.
2,629
B.
0.0000002629
C.
2,629,000
D.
26,290,000
Hint