Answer: all of them are correct! great job!!!1
Step-by-step explanation:
.4 is 40 percent because you move the decimal two spaces to the right so it would be 40 percent, same as the others!
Assuming your looking for volume.
The following formula is used for calculating the volume (V) of a cone.

- where r is the radius and h, the height.
- Substitute r = 3 and h = 5 into the formula.
⇒
≈

The answer is 3 and 3/10. Comment if you're still confused
Step-by-step explanation:
The answer to ur question is
28×3=84
28/2=14