1.
Express 7
-3
using positive exponents.
A.
B.
C.
(-7)
3
D.
Hint
2.
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)
D.
a
2
b
2
c
-3
d
-1
Hint
3.
Write the expression 5
-4
using a positive exponent.
A.
-5
4
B.
C.
D.
5
4
Hint
4.
Write the expression
m
-7
using a positive exponent.
A.
B.
m
7
C.
D.
-
m
7
Hint
5.
Evaluate
y
-5
if
y
= -2.
A.
32
B.
-32
C.
D.
Hint