If 100 grams of Au-198 decays to 6.25 grams in 10.8 days, what is the half-life of Au-198?

One or more substances changing into one or more substances is an example of a

Ihat will happen if i added baking soda to vinegar

Why do scientists look for patterns in the world? a. patterns can explain observations. b. patterns never change, no matter what. c. patterns are easy for scientists to detect. d. patterns are all the same, through all time.