Simplify this expression 9xy4x 3x3y

81 x y^5

Step-by-step explanation:

Simplify the following:

9×3×3 x y^4 y

3×3 = 9:

9×9 x y^4 y

9 x y^4×9 y = 9×9 x y^(4 + 1):

9×9 x y^(4 + 1)

4 + 1 = 5:

9×9 x y^5

9×9 = 81:

81 x y^5

C. On the 6th day, the cars parked in the lot were 27, which is the highest figure in the entire two weeks period. The other days the numbers varied with slight differences which is normal. However, the difference between the 6th day and the next day which recorded the highest number is very big. A difference of 13 cars is quiet large.