Volume: pi=3.121592654 volume of a sphere= 4/3 pi(r)^3 R=radius substitute 4 for r then multiply 4 to the third power then multiple by the remainder of the problem 4/3 pi 64 = volume v = 268.082
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surface area:of a sphere= 4pi r^2 =4pi(7)^2 sub 7 for r =4pi49multiply 7 to the 2nd power 615.752 multiply all together
R=radius substitute 4 for r then multiply 4 to the third power then multiple by the remainder of the problem 4/3 pi 64 = volume v = 268.082
surface area:of a sphere= 4pi r^2
=4pi(7)^2 sub 7 for r
=4pi49multiply 7 to the 2nd power
615.752 multiply all together