1.
Express 7
-3
using positive exponents.
A.
B.
(-7)
3
C.
D.
Hint
2.
Write a
2
b
-3
using positive exponents.
A.
B.
C.
D.
Hint
3.
Rewrite
without using a fraction bar.
A.
a
2
b
2
c
-3
d
B.
a
2
b
2
(-c
3
d)
C.
a
2
b
2
c
-3
d
-1
D.
a
2
b
2
- c
3
d
Hint
4.
Evaluate the expression 5
n
4
m
-2
if
m
= 6 and
n
= 3.
A.
-5
B.
-20
C.
D.
Hint
5.
Write the expression
m
-7
using a positive exponent.
A.
-
m
7
B.
C.
D.
m
7
Hint