1.
Find
a
7
·
a
4
A.
a
3
B.
(2
a
)
3
C.
(2
a
)
11
D.
a
11
Hint
2.
Rewrite
using a single base.
A.
B.
C.
1
16
D.
1
4
Hint
3.
Rewrite
m
8
÷
n
8
using a single base.
A.
B.
C.
(
m – n
)
8
D.
Hint
4.
Simplify (3
5
)
8
.
A.
3
13
B.
15
8
C.
3
40
D.
3
3
Hint
5.
Which situation describes the expression
2?
A.
areas of various rugs with side length
t
for the rug at stage
t
B.
the air temperature when a cold front moves into the area and the temperature falls 2?every half hour
C.
a coin collection where 2 coins are added each month
D.
the population of a city that doubles every 10 years
Hint
6.
Which table describes exponential growth?
A.
B.
C.
D.
Hint
7.
Use your calculator to evaluate the expression.
7.3 × 10
12
+ 8.1 × 10
12
A.
1.54 × 10
13
B.
59.13
C.
5.913 × 10
13
D.
15.4 × 10
13
Hint
8.
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