The Laws of Indicies

The Laws of Indicies

1. The base numbers are the same eg. 4 x 4

   • Add the powers
   • Keep the base number the same
   • It will = a number with a power

2. The base numbers are different eg. 2 x 3

   • Work each part of the question out separately
   • Multiply those answers
   • It will = a full number

3. Dividing and same base number eg. 5/6

   • Subtract the powers
   • Keep the base number the same
   • It will = a full number

4. General things about indicies

   • They can be /, x, + and -
   • It will = a full number or a number with a power
   • Always write out the powers