1.
Multiply 0.25 × 10
3
.
A.
25
B.
250
C.
0.00025
D.
25,000
Hint
2.
Find 3
2
· 3
4
.
A.
3
6
B.
3
9
C.
3
8
D.
3
2
Hint
3.
Evaluate 6
3
.
A.
216
B.
125
C.
729
D.
343
Hint
4.
Simplify (15
3
)
2
.
A.
15
7
B.
15
6
C.
15
5
D.
15
1
Hint
5.
Simplify (
d
1
)
26
.
A.
26
d
B.
d
25
C.
d
26
D.
d
27
Hint
6.
Which expression increases most quickly?
A.
x
+ 2
B.
2
x
C.
x
2
D.
2
x
Hint
7.
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.
the population of a city that doubles every 10 years
D.
a coin collection where 2 coins are added each month
Hint
8.
Use your calculator to evaluate the expression.
(5.9 × 10
8
) × (2.4 × 10
9
)
A.
1.416 × 10
17
B.
1.416 × 10
12
C.
1.416 × 10
16
D.
1.416 × 10
18
Hint