Index Laws: Dividing Powers
Name: _____________________________
Date: _____________________________
Remember the Division Law:
am ÷ an = am−n
When dividing powers with the same base, subtract the exponents.
Section A: Simplify each expression
1. 58 ÷ 53 = __________________
2. 79 ÷ 74 = __________________
3. 212 ÷ 25 = __________________
4. 310 ÷ 36 = __________________
5. 67 ÷ 62 = __________________
6. 411 ÷ 48 = __________________
7. 1015 ÷ 109 = __________________
8. 86 ÷ 81 = __________________
Section B: Simplify using algebraic bases
9. x9 ÷ x4 = __________________
10. a11 ÷ a7 = __________________
11. m8 ÷ m3 = __________________
12. p14 ÷ p6 = __________________
13. y20 ÷ y15 = __________________
14. b13 ÷ b9 = __________________
Section C: More challenging expressions
15. c7 ÷ c7 = __________________
16. 910 ÷ 910 = __________________
17. n5 ÷ n = __________________
18. 126 ÷ 122 = __________________
19. t100 ÷ t95 = __________________
20. k18 ÷ k12 = __________________
Section D: Challenge problems
21. If 312 ÷ 3n = 35, then n = __________________
22. If x15 ÷ x8 = xk, then k = __________________
23. Simplify: (a10 ÷ a3) ÷ a2 = __________________