Solve each of the quadratic equation 3.x = 0.5,2 Y = -6 or x = 0 x = -4 or x = 3 x = -2 or x = 1.5 Y=0 or x = 6

Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g