I WILL GIVE BRAILIEST

1) if b = 5

never a repeating decimal.

2) if b = 6

sometimes a repeating decimal

3) if b = 7

Always a repeating decimal

4) if b = 8

Sometimes a repeating decimal

5) if b = 9

Always a reapeating decimal.

Step-by-step explanation:

1) if b = 5

never a repeating decimal.

2) if b = 6

sometimes a repeating decimal

3) if b = 7

Always a repeating decimal

4) if b = 8

Sometimes a repeating decimal

5) if b = 9

Always a reapeating decimal.

80π/3 or about 83.775

step-by-step explanation:

since a cone is 1/3 of a cylinder, we need to find the base's area. since area = πr^2, we get 16π. then, multiplying this by 5, we get 80π. dividing by 3, since the cone's volume is 1/3 of that of a cylinder's, we get 80π/3.

hope this !