the half-life of radium-224 is approximately 3.66 days. How much of a 5-gram sample of radium-224 would remain after 9 days? Round to three decimal places.

Alocal restaurant advertises that the mode cost of their most popular meals is $8. if the costs of their most popular meals are $7, $8, $8, $12, $13, $15, $17, $18, and $20, which word or phrase best describes this kind of advertising? accurate inaccurate accurate, but misleading inaccurate and misleading