You work for a design company and want to enlarge one of your designs for new billboard sign. you can in large design by 120% every time you run the program. the original design is 12 inches wide by 24 inches long

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