1.
Find 5
y
7
× 8
y
2
.
A.
40
y
14
B.
13
y
14
C.
40
y
9
D.
13
y
9
Hint
2.
Simplify 11
z
2
× 9
z
3
.
A.
99
z
5
B.
20
z
5
C.
99
z
6
D.
20
z
6
Hint
3.
Rewrite
k
9
÷
k
3
using a single base.
A.
k
6
B.
k
27
C.
k
3
D.
3
k
3
Hint
4.
Rewrite
I
z
÷
j
z
using a single base.
A.
B.
C.
D.
(
i – j
)
z
Hint
5.
Which equation represents exponential growth?
A.
y
= 9(0.5)
x
B.
y
= 6.38(1)
x
C.
y
= 3.96(0.65)
x
D.
y
= 2.03(5)
x
Hint
6.
Which table describes exponential decay?
A.
B.
C.
D.
Hint
7.
Find the value of
N
in the equation.
N
× 10
4
= 8,653,300
A.
N
= 8.6533
B.
N
= 86,533
C.
N
= 865.33
D.
N
= 86,533,000,000
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
18
C.
1.416 × 10
16
D.
1.416 × 10
17
Hint