NAME _____________________________________________ DATE __________________ PERIOD _________
Lesson 5 Skills Practice
Negative Exponents
Write each expression using a positive exponent.
1. 4−5
1
−−
5
2. 5−7
4
1
f
5. f−3 −−3
1
−−
7
1
−−−
6
6. (−2)−6
1
−−
9
3. m−9
5
(−2)
4. s−6
m
1
−−−
3
7. (−4)−3
(−4)
1
−−
6
s
1
−−
12
8. w−12
w
Evaluate each expression.
9. (−5)−5
1
- −−−−
10. 3−2
3,125
1
−
9
11. 8−3
1
−−−
512
1
−−−−
12. (−9)−4
6,561
Write each fraction as an expression using a negative exponent.
1
13. −−−
3
12
1
14. −−
12−3
81
9−2
1
t−6
15. −−
6
t
1
8−8
16. −−
8
8
1
−−
3
17. 2−6 · 23
2
1
21. y−3 · y3
3−5
25. −−−
−3
3
12
1
−−
2
3
18. s−5 · s7 s2
m8 m12
19. −−−
−4
m
108
1
20. −−−
−−
9
22. s−5 · s7 s2
x6 x9
23. −−
−3
6 -4
1
24. −−
−−
8
12
e−3
26. −−
−2
e
1
−
e
x
n−6
27. −−−
4
n
1
−−
10
n
10
6
10
6
j−2
j
1
28. −−
−2
Course 3 • Chapter 1 Real Numbers
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Simplify. Express using positive exponents.