1.
Write x
6
as a multiplication expression.
A.
x
·
x
·
x
·
x
· x ·
x
B.
6
x
C.
6 · 6 · 6 · 6 · 6 · 6
D.
Hint
2.
In the expression (-4)
2
, -4 is called the ______.
A.
exponent
B.
power
C.
product
D.
base
Hint
3.
Express 130,254 in expanded form.
A.
(1 × 10
5
) + (3 × 10
4
) + (2 × 10
2
) + (5 × 10
1
) + (4 × 10
0
)
B.
(1 × 10
5
) + (3 × 10
4
) + (2 × 10
3
) + (5 × 10
2
) + (4 × 10
1
)
C.
(1 × 10
6
) + (3 × 10
5
) + (2 × 10
3
) + (5 × 10
2
) + (4 × 10
1
)
D.
(1 × 10
5
) + (30 × 10
4
) + (2 × 10
2
) + (5 × 10
1
) + (4 × 10
0
)
Hint
4.
Evaluate 7(
a
–
b
)
3
if
a
= 3 and
b
= 1.
A.
42
B.
56
C.
8
D.
28
Hint
5.
Evaluate
x
5
- 13 if
x
= -2.
A.
-23
B.
-45
C.
3
D.
19
Hint