- 1. 1. Convert 37 in base ten to base five
A) 122 B) 1001011 C) 1023 D) 1225
- 2. 2. Convert 1264 in base eight to base ten
A) 629 B) 171 C) 692 D) 117
- 3. 3. Convert 211 in base three to base eight
A) 62 B) 7 C) 11 D) 26
- 4. 4. Convert 1.101 to decimal
A) 0.625 B) 0.125 C) 1.625 D) 0.25
- 5. 5. In what base is the addition 465 + 24 + 225 = 1050?
A) 5 B) 6 C) 9 D) 7
- 6. 6. Given P = 245 in base five and Q = 14 in base five. Calculate P - Q
A) 223 B) 231 C) 213 D) 232
- 7. 7. Evaluate (203)2 in base four
A) 103021 B) 10152 C) 113021 D) 11512
- 8. 8. Evaluate 11110 ÷ 110
A) 1100 B) 110 C) 101 D) 1011
- 9. 9. If (34) in base five = 23x, find x.
A) x = 16 B) x = -8 C) x = 8 D) x = -16
- 10. 10. Round off 163.864 to the nearest whole number
A) 164 B) 163.9 C) 200 D) 163
- 11. 11. Express the sum of 6.03 x 106 and 2.17 x105 in standard form
A) 6.247 x 10-6 B) 6.247 x 106 C) 6.247 x 1011 D) 6.247 x 10-11
- 12. 12. Simplify (1/4)-1/2
A) -2 B) 21/2 C) 2 D) 2-1/2
- 13. 13. Evaluate (0.008)1/3
A) -0.2 B) -0.5 C) 0.2 D) 0.5
- 14. 14. If x is a positive integer, determine the least value of x for which 13 + 2x = 3(mod 8)
A) 1 B) 16 C) 3 D) 5
- 15. 15. Solve 2x + 4 = 0(mod 5)
A) x = 1/2 or 5 B) x = 1/2 or 3 C) x = 1/2 or 1 D) x = 2 or 3
- 16. 16. Evaluate 34.83 x 5.427 using logarithm table
A) 18.91 B) 189.1 C) 1891 D) 1.891
- 17. 17. Evaluate 3√350 using logarithm table
A) 70.47 B) 704700 C) 7.047 D) 704.7
- 18. 18. Simplify √0.000144
A) 1.4 x 102 B) 1.2 x 10-2 C) 1.2 x 102 D) 1.4 x 10-2
- 19. 19. Find x if 21 in base x = 7 in base ten
A) x = 6 B) x = 5 C) x = 4 D) x = 3
- 20. 20. Evaluate (3.69 x 105) ÷ (1.64 x 10-3)
A) 2.25 x 10-2 B) 2.25 x 108 C) 2.25 x 10-8 D) 2.25x 102
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