1.
Which symbol makes the following statement true?
3.25 × 10
3
______ 325
A.
<
B.
=
C.
D.
>
Hint
2.
Express 0.0000421 in scientific notation.
A.
4.21 × 10
-4
B.
4.21 × 10
-5
C.
4.21 × 10
-6
D.
4.21 × 10
-9
Hint
3.
Simplify
Assume the denominator is not equal to zero.
A.
B.
C.
D.
Hint
4.
Evaluate (3.2 × 10
-5
)(5.4 × 10
9
). Express the result in scientific notation.
A.
1.728 × 10
3
B.
1.728 × 10
5
C.
0.1728 × 10
6
D.
17.28 × 10
4
Hint
5.
Evaluate
. Express the result in scientific notation.
A.
80 × 10
-8
B.
0.8 × 10
-8
C.
8.0 × 10
-7
D.
8.0 × 10
-9
Hint