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 or variable 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

  • know the rules of indices: multiplying, dividing, index of 1, index of 0, two indices and negative index.
  • simplify algebraic expressions involving indices.


indicesindexcoefficientbasevariablepowerexponent, reciprocal