NameClass.Date
Practice 8–1                                           Zero and Negative Exponents

Simplify each expression.	
1.	160	2.	4 –2	3.	3 –3	4.	8–4

5.		6.		7.		8.	
	
9.	3 • 80	10.	16 • 2–2	11.	12–1	12.	–7–2

13.	16 • 40	14.	90	15.		16.		
17.		18.		19.	5(–6)0	20.	(3.7)0

								
Simplify each expression.	
21..	x –8	22.	xy–3	23.	a–5 b	24.	m 2 n –9	
25.		26.		27.		28.		
29.	3x –6 y –5	30.	8a –3 b2 c –2	31.	15s–9 t –1	32.	–7p–5q–3r2