Activity 1.2 Make me Simple!

Fill in the missing parts of the solution in simplifying expressions. Assume that x =/ to 0. Then write your answers below

1.) d^9/d^9 _ _ =1
2.) _ 5^9-^9 5^0 _
3.) x^12/x^12 _ x^0 =1
4.) _ 7^5-^5 _ _
5.) 10^8/10^8 _ _ _​