Multiple Choice Questions
Unit B1
Indices and Factors
For each of these questions, choose the option (A, B, C or D) that is TRUE.
1
2.748 to 2 significant figures is
  • (A)
    2.75
  • (B)
    2.8
  • (C)
    2.74
  • (D)
    2.7
2
is
  • (A)
  • (B)
    2
  • (C)
  • (D)
3
If x = 32 × 23, then x4 =
  • (A)
    36 × 23
  • (B)
    36 × 27
  • (C)
    38 × 23
  • (D)
    38 × 212
4
The HCF of 54 and 60 is
  • (A)
    3
  • (B)
    2
  • (C)
    6
  • (D)
    12
5
The LCM of 18 and 15 is
  • (A)
    90
  • (B)
    270
  • (C)
    360
  • (D)
    180
Total: - of marks
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