Quelpr
3 marksPowers of Real Numbers

CSEC Mathematics · May/June 2005 · Paper 2 · Question 7(a)(i)

This question asks to calculate exact values using a calculator or otherwise.

Calculate the exact value of 16^{1/2}.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 7(a)(ii)Calculate the exact value of 25^{3/2}.[3 marks]
  2. 7(a)(iii)Calculate the exact value of 2^{-3}.[3 marks]
  3. 7(b)(i)Evaluate h(0), g(-3) and hg(-3).[4 marks]
  4. 7(b)(ii)Obtain an expression for g^{-1}(x).[3 marks]

More practice: the rest of this paper · more Powers of Real Numbers questions · all CSEC Mathematics past papers