Answer: 7
Step-by-step explanation:

Answer:
B and D
Step-by-step explanation:
A is false as it would be 3.08 when rounded.
C is false as it is rounded to the tenth not hundredth.
Answer:
The equation you would use is лr² (pi times radius squared).
The area of the stage would be 1963.5 square meters or 625л square meters
1.875 ounces for each student