Exponents in algebra



4p5 is a short way of writing 4 × p × p × p × p × p.

the 4 is called the coefficient , the p is called the base orvariable and the 5 is called the index, power or exponent.

indices (plural of index) obey certain rules when they are being multiplied and divided.

Key Skills

  • write expressions in index form
  • know the rules of indices for multiplying and dividing
  • simplify algebraic expressions involving indices
  • know the rules of indices involving brackets and roots