1.
Write the expression 4 · 4 · 4 · 4 · 4 using exponents.
A.
5
4
B.
4
5
C.
5
5
D.
4
4
Hint
2.
Write x
6
as a multiplication expression.
A.
x
·
x
·
x
·
x
· x ·
x
B.
6
x
C.
D.
6 · 6 · 6 · 6 · 6 · 6
Hint
3.
In the expression (-4)
2
, -4 is called the ______.
A.
exponent
B.
power
C.
product
D.
base
Hint
4.
Express 130,254 in expanded form.
A.
(1 × 10
5
) + (3 × 10
4
) + (2 × 10
3
) + (5 × 10
2
) + (4 × 10
1
)
B.
(1 × 10
6
) + (3 × 10
5
) + (2 × 10
3
) + (5 × 10
2
) + (4 × 10
1
)
C.
(1 × 10
5
) + (30 × 10
4
) + (2 × 10
2
) + (5 × 10
1
) + (4 × 10
0
)
D.
(1 × 10
5
) + (3 × 10
4
) + (2 × 10
2
) + (5 × 10
1
) + (4 × 10
0
)
Hint
5.
Find
y
for
y
=
x
2
- 15 if
x
= 6.
A.
21
B.
-3
C.
49
D.
51
Hint