1.
Which symbol makes the following statement true?
7,500 ______ 7.5 × 10
3
A.
B.
<
C.
=
D.
>
Hint
2.
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.
19,200,000 pounds
C.
0.0000192 pounds
D.
19,200 pounds
Hint
3.
Which equation represents exponential decay?
A.
y
= 1.05(0.95)
x
B.
y
= 1.7(1.06)
x
C.
y
= 2.62(1.22)
x
D.
y
= 0.86(1.46)
x
Hint
4.
Find
a
7
·
a
4
A.
a
3
B.
a
11
C.
(2
a
)
3
D.
(2
a
)
11
Hint
5.
Simplify 11
z
2
× 9
z
3
.
A.
99
z
5
B.
20
z
5
C.
99
z
6
D.
20
z
6
Hint
6.
Rewrite 9
4
÷ 3
4
using a single base.
A.
3
16
B.
3
1
C.
3
4
D.
3
8
Hint
7.
Rewrite
m
8
÷
n
8
using a single base.
A.
(
m – n
)
8
B.
C.
D.
Hint
8.
Which table describes exponential decay?
A.
B.
C.
D.
Hint