Use the product rule for exponents. product rule: if m and n are natural numbers and a is any number, then a m ⋅a n =a m+n am⋅an=am+n . n 4 ⋅n 6

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?