1/3 times 2/5 , 1/8 times 3/4, 3/4 times 5/8 , 2/5 times 3/7 , 3/4 times 1/2 , 2/3 times 4/1 in order

What properties allow transformation to be used as a problem solving tool

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?

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