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1 markApproximation

CSEC Mathematics · Question 1(b)(ii)

This section requires writing the answer from 1(a)(ii) to specified degrees of accuracy.

Write your answer in (a)(ii) correct to three significant figures.

The mark scheme is shown once you've answered.

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Other parts of this question

  1. 1(a)(i)Using a calculator, or otherwise, calculate 5 1/2 ÷ 3 2/3 + 1 4/5, giving your answer as a fraction in its lowest terms.[2 marks]
  2. 1(a)(ii)165 × 0.38², giving your answer as an EXACT value.[1 mark]
  3. 1(b)(i)Write your answer in (a)(ii) correct to two decimal places.[1 mark]
  4. 1(b)(iii)Write your answer in (a)(ii) correct to the nearest whole number.[1 mark]
  5. 1(c)(i)Determine the simple interest earned.[1 mark]
  6. 1(c)(ii)Determine the annual interest rate paid by the credit union.[2 marks]
  7. 1(c)(iii)Determine the length of time it will take for Mr Adams' investment to be doubled, at the same rate of interest.[2 marks]

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