Alex is making cupcakes. It takes 1.5 sticks of butter to make the icing. Each cupcake uses .2 sticks of butter. If Alex has 9 sticks of butter, what is the maximum number of cupcakes he can make?

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