.
The volume of a sphere with radius r is given
by the formula V =4/3Δ R squared to the third power
Find the volume of a sphere with radius 4 meters. Use 3.14 for the value of Δ . 
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Your condition, as it is presented in the post, contains absolutely inappropriate terms - so I edited it.  My editing is below:
    The volume of a sphere with radius  R is given
    by the formula V =4/3Δ R
 R is given
    by the formula V =4/3Δ R  to the third power
    Find the volume of a sphere with radius 4 meters. Use 3.14 for the value of Δ .
 to the third power
    Find the volume of a sphere with radius 4 meters. Use 3.14 for the value of Δ . 
Answer.  Volume =  =
 =  cubic meters.
 cubic meters.
Use your calculator and do not expect that the tutors will do it for you or instead of you.
Making calculations is the students' honor duty and a priviledge.
        Indeed, this assignment is intended to develop  YOUR SKILLS,  not mine.
Also, please keep in mind that the famous number   = 3.14 has its own name "pi" just more than 2000 years.
 = 3.14 has its own name "pi" just more than 2000 years.
Do not invent a new name for it.
Good luck and happy learning !