A sphere has a radius of 4 inches. Which equation find the volume of the sphere?

Which is the standard form for this number? (4 x 1 100 ) + (8 x 1 1,000 ) + ( 3 x 1 100,000 ) ? a) 0.004803 b) 0.04803 c) 0.0483 d) 0.483

I’m stuck on this equation, anyone got the answer?

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.