Zero
1. (-9)0
=1
2. 4-2
=1/16
14. 9-1294
=1/98
6. (9-2)/(3-3)
=1/3
Question 20.a. on your sheet.
=-36
4. 8-3/40
=1/512
3. (-6)-3
=-1/216
13. (x7)-5
=1/x35
15. (y2y4)/y3
=y3
Question 20.b. on your sheet.
=511
5. 12-2/(-13)0
=1/144
17. (x/11)-2
=121/x2
16. (-2x)4
=16x4
10. (3-4x0)/y-8
=y8/81
Question 20.c. on your sheet.
=r24
8. 21x-5y0
=21/x5
9. (10-2x-4)/y0
=1/100x4
(2x2y3)(5x2)2
=50x6y3
11. (14x0y-2)/(2-1z-3)
=(28z3)/y2
Question 20.d. on your sheet.
=610
7. 15x0y-2
=15/y2
18. (1/3y3)-3
=27y9
19. What is the volume of the cone? Remember, V=pi(r2)(h/3)
=(pih3)/12
12. (52y-10)/(5-1z0x-5)
=(125x5)/y10
Question 20.e. on your sheet.
=1/64