1.
Write 120,000,000 in scientific notation.
A.
12×10
7
B.
0.12×10
9
C.
1.2×10
8
D.
1.2×10
9
Hint
2.
Rewrite
a
4
×
b
4
using a single base.
A.
a
4
b
4
B.
ab
4
C.
ab
8
D.
ab
16
Hint
3.
Simplify 11
z
2
× 9
z
3
.
A.
20
z
6
B.
99
z
5
C.
20
z
5
D.
99
z
6
Hint
4.
Rewrite
k
9
÷
k
3
using a single base.
A.
k
27
B.
3
k
3
C.
k
3
D.
k
6
Hint
5.
Simplify (3
5
)
8
.
A.
15
8
B.
3
3
C.
3
40
D.
3
13
Hint
6.
What is the value of 5
x
when
x
= 5?
A.
25
B.
5
C.
10
D.
3125
Hint
7.
Which is the graph of
y
= 0.5
x
?
A.
B.
C.
D.
Hint
8.
Use your calculator to evaluate the expression.
(5.9 × 10
8
) × (2.4 × 10
9
)
A.
1.416 × 10
12
B.
1.416 × 10
17
C.
1.416 × 10
16
D.
1.416 × 10
18
Hint