Learn with an example The half-life of a radioactive kind of lanthanum is 4 hours. How much will be left after 8
hours, if you start with 56 grams of it?

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

What is the absolute value of -100000000000000?

Simplify each expression. use positive exponents. show work . (x –2 y –4 x 3 ) –2