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6. Negative and fractional indices - j^1

  • 0
  • j
  • 1
  • j^0

7. Negative and fractional indices - a^1/3

  • -a/3
  • ^3√a
  • 1/a^3
  • √a^3

8. Fraction of an amount - 2/5 of 80

  • 32
  • 40
  • 36
  • 16

9. Error intervals - 70kg rounded to the nearest 10kg upper and lower bounds

  • 65kg ≤ weight < 75kg
  • 65kg < weight < 75kg
  • 65kg < weight ≤ 75kg
  • 66kg < weight ≤ 75kg

10. Negative and fractional indices - 8^1/3

  • 1/8^3
  • 2
  • ^3 √8
  • -8^1/3

11. Negative and fractional indices - a^m/n

  • √a^m/n
  • -m/a^n
  • (^n √a)^m
  • ^n√a^m

12. Simplifying surds - √a / √b

  • (a / b)^2
  • √ab / 2
  • √a / b
  • a / b

13. Error intervals - 32cm rounded to the nearest cm upper and lower bounds

  • 31.5 < measurement < 32.5
  • 31.5 < measurement ≤ 32.5
  • 31.5 ≤ measurement < 32.5
  • 32.5 ≤ measurement < 31.5

14. Negative and fractional indices - g^1/2

  • g^-2
  • √g
  • √g^2
  • 1/g^2

15. Fraction Arithmetic - 5/12 - 2/6

  • 7/6
  • 3/6
  • 1/12
  • 3/12

16. Simplifying surds - Rationalise the denominator of √8 / √6

  • Multiply both the numerator and denominator by √8
  • Multiply both the numerator and the denominator by √6
  • Multiply just the denominator by √6
  • Multiply both the numerator and denominator by -√6

17. Standard form conversion - 50,000 in standard form

  • 50 x 10^4
  • 50 x 10^3
  • 5 x 10^4
  • 5 x 10^5

18. Fraction Arithmetic - 1/3 x 2/4

  • 2/12
  • 12/2
  • 3/12
  • 2/7

19. Negative and fractional indices - d^-1

  • -1
  • 1/d
  • -1/d
  • -d

20. Negative and fractional indices - g^1/2 x g^1/2

  • g^1
  • 1/g
  • g^2/4
  • g^1/2