58. In the number 75, the base and exponent are
- (A) 7, 7
- (B) 5, 7
- (C) 7, 5
- (D) 5, 7
57. What is the value of a0?
- (A) 1
- (B) 2
- (C) 3
- (D) 0
56. What is the value of 01?
- (A) 0
- (B) 1
- (C) –1
- (D) Undefined
55. What is the value of 55891?
- (A) 1
- (B) 0
- (C) 5589
- (D) Undefined
54. What is the value of 01 × 10?
- (A) 1
- (B) 2
- (C) 3
- (D) 0
53. What is the value of 10 + 20 + 30?
- (A) 1
- (B) 2
- (C) 3
- (D) 0
52. What is the value of (–1)an even number?
- (A) 1
- (B) 2
- (C) –1
- (D) 0
51. What is the value of (–1)an odd number?
- (A) 1
- (B) 2
- (C) –1
- (D) 0
50. The standard form of the number 12345 is
- (A) 1234.5 × 101
- (B) 123.45 × 102
- (C) 12.345 × 103
- (D) 1.2345 × 104
49. Which of the following is equal to (4 + 5 + 6)0?
- (A) 40 + 50 + 60
- (B) 40 + 50
- (C) 40
- (D) 50 + 60
48. Which of the following is equal to 50 × 250 × 1250?
- (A) (50)6
- (B) (5)6
- (C) (25)6
- (D) (56)0
47. Square of (−3/4) is
- (A) −3/4
- (B) −9/16
- (C) 9/16
- (D) 3/4
46. Square of −(5/4) is
- (A) −5/4
- (B) −25/16
- (C) 25/16
- (D) 5/4