Which equation correctly applies the the distributive
Property?

Distributive property
ab + ac + ad = a(b +c +d)
So answer is the first one
(0.7 x 0.7) + (0.7 x 0.9) + (0.7 x 0.2) = 0.7(0.7 + 0.9 + 0.2)
Hope that helps