How do I simplify this ?

b^3

Step-by-step explanation:

so basically if you spread this out it is

b*b*b*b*b

b*b

Since b/b is 1 you can cancel out the denominator and 2 b's in the numerator

that leaves you with b*b*b which is b^3.

Hope it helps!!

66.666666667%

step-by-step explanation:

divide 150 by 100

divide 100 by 1.5

there you go!

decreased by 33.333333334%