What is 21 divided by 756?

0.027777778

Step-by-step explanation:

36

Step-by-step explanation:

( the question is wrong the correct question is what is 756 divided 21 )

   03     6

21  756

 −0    

   75  

 −63  

   126      

 −126

       0

this is the answer by long divison

hope it helped :)

56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6

1) 2/5

2) zero=0/1

3) zero=0/2

4) -4/5

5) undefined=3/0