1.
Which symbol makes the following statement true?
3.25 × 10
3
______ 325
A.
>
B.
=
C.
<
D.
Hint
2.
Simplify (3
a
4
b
5
c
)
4
.
A.
7
a
16
b
20
c
4
B.
12
a
8
b
9
c
5
C.
81
a
16
b
20
c
4
D.
3
a
16
b
20
c
4
Hint
3.
Use an exponent to write 177,147 as a power of 3.
A.
3
11
B.
3
17
C.
3
19
D.
3
9
Hint
4.
Tell whether the statement is
sometimes true, always true
, or
never true
for positive values of
n
. If it is sometimes true, state for what value it is true.
4
n
= 6,561.
A.
never true
B.
sometimes true,
n
= 7
C.
always true
D.
sometimes true,
n
= 8
Hint
5.
Which number is not equal to the other three?
A.
B.
C.
2
-2
D.
Hint