Exponents and Powers
MCQs
1. What is the value of (-1)-1?
I. 0
II. -1
III. 1
IV. None of these
2. Which of the following is the value of 'm' in 6m/ 6-3 = 65?
I. -3
II. -2
III. 3
IV. 2
3. Which of the following is the standard form of 0.00001275?
I. 1.275 * 10-5
II. 1.275 * 105
III. 127.5 * 10-7
IV. 127.5 * 107
4. Which of the following is used as a form of 5.05 * 106?
I. 505000
II. 505000000
III. 5050000
IV. 50500000
5. For which of the following is m= 8?
I. (5m � 5-3) / 52 = 53
II. -(5m � 5-3) / 53 = 52
III. (5m � 53) / 52 = 53
IV. (5 � 5-2) / 52 = 53
6. 1 micron = 1/1000000 m. which of the following is its standard form?
I. 1.1 * 10-5
II. 1.6 * 10-5
III. 0.1 * 10-6
IV. 1.0 * 10-6
7. [(1 / 2)-1 + (2 /3 )2 - (3/4)0]-2 is equal to:
I. 81/484
II. 81/169
III. 169/81
IV. 16/81
8. Which of the following = (100 - 990) * 100?
I. 10000
II. 100
III. 9900
IV. 99000
9. What is the reciprocal of (-3 / 4)0?
I. -1
II. 1
III. -4/3
IV. 4/3
10. Which of the following is the value of (4 / 5)-9 / (4 / 5)-9?
I. (4/5)18
II. 4/5
III. 1
IV. (5/4)9
1. II
2. IV
3. I
4. III
5. I
6. IV
7. II
8. III
9. II
10. III