Which equation correctly applies the distributive property?

a.−1.2·0.57·0.5=−1.2·0.5·0.57

b. 50+1.015=(50⋅1)+(50⋅0.01)+(50⋅0.005 )

c.(0.5⋅0.5)+(0.5⋅0.3)+(0.5⋅0.2)=0.5 ⋅(0.5+0.3+0.2)

d.−2.5⋅(4⋅1.045)=(−2.5⋅4)⋅1.045

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi,r^3 , where r is the sphere’s radius.