5-1 Exponents P911: Divide Monomials

Multiplying Powers (like bases) Example 1: To find total : add

 Example 2 How many a’s ? How many b’s?

Dividing Powers (like bases)  Example 3 Cancel smaller amount or To find difference: subtract

Example 4

Example 5 What about the rule? so A negative exponent represents a fraction!!!

Negative Exponents or Moves base to opposite place in fraction 1) 2) To divide by a fraction we multiply by the reciprocal

Zero exponent Using Rule So Any # to zero power is 1

Can we distribute a power? Does (a + b) m = a m + b m Find counterexample (not example) NO!

Marker Board pgs  21  43  45  55  57  70  79  81  83  93  97  103  107

Assignment  5-1/ /4-84 M4, e