A newly discovered isotope has a half life of 7 days

Last updated: 11/11/2023

A newly discovered isotope has a half life of 7 days Initially there are 22 grams of the isotope a Find the function P t which gives the number of grams of the isotope after t days P t grams b Estimate the number of grams of the isotope after 12 days Round to two decimal places grams c Estimate the number of days it will take for the isotope to reach 3 grams Round to two decimal places