Edexcel C1 2011 June — Question 1

Exam BoardEdexcel
ModuleC1 (Core Mathematics 1)
Year2011
SessionJune
TopicIndices and Surds

Find the value of
  1. \(25 ^ { \frac { 1 } { 2 } }\)
  2. \(25 ^ { - \frac { 3 } { 2 } }\)