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.
81
a
16
b
20
c
4
B.
3
a
16
b
20
c
4
C.
7
a
16
b
20
c
4
D.
12
a
8
b
9
c
5
Hint
3.
Evaluate (3.2 × 10
-5
)(5.4 × 10
9
). Express the result in scientific notation.
A.
1.728 × 10
3
B.
17.28 × 10
4
C.
0.1728 × 10
6
D.
1.728 × 10
5
Hint
4.
Evaluate
. Express the result in scientific notation.
A.
80 × 10
-8
B.
8.0 × 10
-7
C.
8.0 × 10
-9
D.
0.8 × 10
-8
Hint
5.
Use an exponent to write 177,147 as a power of 3.
A.
3
19
B.
3
9
C.
3
17
D.
3
11
Hint