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