1.
Determine which number is
not
prime.
A.
19
B.
61
C.
57
D.
11
Hint
2.
Factor 144 completely.
A.
2 · 2 · 2 · 2 · 3 · 3
B.
12 · 12
C.
4 · 4 · 9
D.
3 · 3 · 4 · 4
Hint
3.
Rewrite 12
3
× 7
3
using a single base.
A.
19
9
B.
84
3
C.
84
9
D.
19
3
Hint
4.
Rewrite
using a single base.
A.
1
4
B.
C.
1
16
D.
Hint
5.
Rewrite
m
8
÷
n
8
using a single base.
A.
B.
C.
(
m – n
)
8
D.
Hint
6.
Simplify (3
5
)
8
.
A.
3
13
B.
15
8
C.
3
40
D.
3
3
Hint