The half-life of a radioactive isotope is the time it takes for quantity of the isotope to be reduced to half its initial mass. starting with 190 grams of a rafioactive isotope, how much will be left after 3 half-lives?

What are the solutions to the following equation? |m| = 8.5 the value of m is equal to 8.5 and because each distance from zero is 8.5.

What is the measure of one interior angle of a pentagon

Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups