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1. The exponential form of 10000 is (a) 103(b) 104(c) 105(d) none of these

2. The exponential form of 125 is (a) 54(b) 53(c) 52(d) none of these

3. The value of (- 2)3 is

4. The value of (- 2)4 is

5. What is the base in 82?

6. What is the exponent in 82?

7. (-1)even number =

8. (-1)odd number =

9. If 23 × 24 = 2?, then ? =

10. 27 ÷ 23 = (a) 24(b) 210(d) 2 (d) 1/ 2

11. 100000000000 in standard form is (a) 1 × 108(b) 1 × 109(c) 1 × 1010(d) 1 × 1011

13. am ÷ bm = (a) am bm(b) (a/ b )m(c) a/ b (d) 1

14. (ab)m = (a) am bm(b) amb (c) abm(d) ab

15. (-2a)3 = (a) 2a3(b) 4a3(c) 8a3(d) -8a3

17. (22 × 2)2 = (a) 23(b) 24(c) 25(d) 26

18. Which of the following is true? (a) 20 = (100)0(b) 102 × 108 = 1016(c) 22 × 33 = 65 (d) 23 > 32

19. 30 + 40 + 50 =

20. 30 =