1.
Multiply 0.25 × 10
3
.
A.
250
B.
0.00025
C.
25
D.
25,000
Hint
2.
Write 2,564,000 in scientific notation.
A.
2,564×10
3
B.
25.64×10
5
C.
2.564×10
5
D.
2.564×10
6
Hint
3.
Which symbol makes the following statement true?
7,500 ______ 7.5 × 10
3
A.
<
B.
C.
>
D.
=
Hint
4.
Two solid rocket boosters provide the main thrust to lift the space shuttle off the launching pad. Each booster weighs approximately 1.92 × 10
5
pounds. Express this weight in standard form.
A.
192,000 pounds
B.
19,200 pounds
C.
0.0000192 pounds
D.
19,200,000 pounds
Hint
5.
Use your calculator to evaluate the expression.
(5.9 × 10
8
) × (2.4 × 10
9
)
A.
1.416 × 10
18
B.
1.416 × 10
17
C.
1.416 × 10
12
D.
1.416 × 10
16
Hint