Thehalf-life of a particular element or isotope is the length of time necessary for half of a given amount to decay. The number of grams present of the isotope Sodium22 is given by the followingformula:

A(t) = 326e0.31942twhere t is in years.

1.What is the initial amount of Sodium22? grams

2.2.)How much Sodium22 is present after 6 years? grams round to 2 decimal places

3.)What is thehalf-life of Round to 2 decimal plaves