The half-life of a radioactive kind of thorium is 2 years. How much will be left after 4 years, if you start with 992 grams of it?
grams

According to the data set, where should the upper quartile line of the box plot be placed?

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?