- 1. 1. Convert [[1264]]_8 to base ten
A) 629
B) 117
C) 171
D) 692
- 2. 2. Convert [[211]]_3 to base eight
A) 26
B) 11
C) 7
D) 62
- 3. 3. In what base is the addition 465 + 24 + 225 = 1050?
A) 9
B) 5
C) 6
D) 7
- 4. 4. Evaluate 11110 ÷ 110
A) 1011
B) 101
C) 110
D) 1100
- 5. 5. Simplify 0.0589 + 7.382 - 0.7953 correct to 2 decimal places.
A) 6.65
B) 8.20
C) 6.64
D) 8.24
- 6. 6. Simplify 125-2/3 x 15
A) ⅗
B) 13
C) ⅔
D) ⅚
- 7. 7. Evaluate (3.69 x 105) ÷ (1.64 x 10-3)
A) 2.25x 102
B) 2.25 x 10-2
C) 2.25 x 10-8
D) 2.25 x 108
- 8. 8. Express the sum of 6.03 x 106 and 2.17 x 105 in standard form.
A) 62.47 x 106
B) 6.247 x 1011
C) 6.247 x 106
D) 624.7 x 1011
- 9. 9. Simplify (1/16)-¾ + 5 (90)
A) 2/3
B) 3½
C) 7/25
D) 13
- 10. 10. Evaluate 2 ÷ (64/125)-⅔
A) 5 ⅚
B) 3 ½
C) 1 ⁷/25
D) 2 ⅛
- 11. 11. Simplify 125⅓ x 49½ x 10-1
A) 3 ½
B) 2 ⅓
C) 35/5
D) 6 ⅞
- 12. 12. Evaluate [[log]]_10 45 + [[log]]_10 9-1 - [[log]]_10 2-1 without using table
A) 5
B) 10
C) 2
D) 1
- 13. 13. Evaluate [[110100]]_2 ÷[[100]]_2
A) [[1001]]_2
B) [[1101]]_2
C) [[1111]]_2
D) [[1010]]_2
- 14. 14. Approximate 65009.269 to 1 significant figure.
A) 70000.000
B) 65010.000
C) 65009.300
D) 650009.270
- 15. 15. Express the number 0.0099687 correct to four decimal places
A) 0.0099
B) 0.0090
C) 0.0100
D) 0.0010
- 16. 16. Solve [[log]]_3 (2x + 1) - [[log]]_3 (x - 3) = 2
A) 8
B) 2
C) 4
D) 3½
- 17. 17. Simplify log 27/ log 9
A) 1½
B) log 3/2
C) 2
D) 3/4
- 18. 18. Evaluate [[log]]_10 (⅓ + ¼) + 2 [[log]]_10 2 +[[log]]_10 (3/7)
A) 0
B) ⅚
C) 1
D) -3
- 19. 19. Evaluate without using calculator, [[log]]_10 √30 - [[log]]_10 √6 + [[log]]_10 √2
A) ½
B) 3/2
C) -3
D) 1
- 20. 20. Evaluate ([[203]]_4)2
A) 2030
B) 10012
C) 12002
D) 103021
|