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2 marksScientific Notation

CSEC Mathematics · Question 1(a)(i)

This question involves evaluating numerical expressions and solving problems related to finance and statistics.

Evaluate 3.8 × 10² + 1.7 × 10³, giving your answer in standard form.

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Other parts of this question

  1. 1(a)(ii)Evaluate (1/2 × 3/5) / (3 1/2), giving your answer as a fraction in its lowest terms.[2 marks]
  2. 1(b)Express the number 6 as a binary number.[1 mark]
  3. 1(c)John bought a car for $65 000. If the value of the car depreciates by 8% each year, how much will the car be worth at the end of 2 years?[2 marks]
  4. 1(d)Determine, as a percentage, the student's final mark for the Mathematics examination.[2 marks]

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