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2 marksApproximation

CSEC Mathematics · May/June 2014 · Paper 2 · Question 1(a)(iii)

Using a calculator, or otherwise, determine the value of:

3.142 × 2.236² (correct to 3 significant figures)

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Other parts of this question

  1. 1(a)(i)5.25 ÷ 0.015[1 mark]
  2. 1(a)(ii)√6.5025[1 mark]
  3. 1(b)(i)How many buckets of gravel are needed for 4 buckets of cement?[2 marks]
  4. 1(b)(ii)a)If 20 buckets of sand are used, how many buckets of Cement will be needed?[3 marks]
  5. 1(b)(ii)b)If 20 buckets of sand are used, how many buckets of Gravel will be needed?[3 marks]
  6. 1(c)(i)What is the TOTAL hire purchase price of the laptop?[2 marks]
  7. 1(c)(ii)How much is saved by buying the laptop for cash?[1 mark]

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