Question

What is number 20 simplified?

Answer 1

Answer:

  2

----------

5w^11

Step-by-step explanation:

8/20 reduces to 2/5, and (w^(-2)) / w^9 becomes 1 / w^11.

Overall, #20 reduces to:

  2

----------

5w^11

Recall the rule of exponents:

  w^a

----------- = w^(a-b)

  w^b

and note that

 w^(-2)

------------ = w^(-2-9)  =  w^(-11) (same as above)

  w^9