Answer:
4 11/12
Step-by-step explanation:
Rational
√4 asks "what times itself is 4?"
The answer is 2.
2x2=4
√4 = 2
2 is rational.
volume of cyclinder=πr²h
=3.14×2²×3=37.68cm³
rectangular prism volume=6×5×7
=210cm³
total volume=37.68+210=247.68cm³