1.
The expression 3 · 3 · 3 · 3 can be written using exponents as _____.
A.
4(3)
B.
4
3
C.
3
4
D.
3(4)
Hint
2.
The expression 5 can be written using exponents as _____.
A.
5
1
B.
5
0
C.
1
5
D.
1(5)
Hint
3.
Write 3
x
3
y
5
as a multiplication expression.
A.
3 · 3 ·
x
· 5 ·
y
B.
3 ·
x
·
x
·
x
·
y
·
y
·
y
·
y
·
y
C.
2(3
x
3
y
5
)
D.
(
xy
2
)
3
Hint
4.
Select the correct
first
step when using the order of operations.
A.
Evaluate all powers in order from left to right.
B.
Do all additions and subtractions from left to right.
C.
Do all multiplications and divisions from left to right.
D.
Do all operations within grouping symbols starting with the innermost grouping symbols.
Hint
5.
Evaluate the expression –2
a
3
+ 3
z
2
if
a
= –3 and
z
= 2.
A.
-180
B.
66
C.
252
D.
-42
Hint