The half-life of radium-224 is approximately 3.66 days. step 1 of 3 : determine a so that a(t)=a0at describes the amount of radium-224 left after t days, where a0 is the amount at time t=0. round to six decimal places.

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?

Use the drop-down menus to answer each question. which line represents the movement of a cart with a constant acceleration? a which line represents the movement of a cart with a constant velocity? c which lines represents a cart with no velocity or acceleration? b

Is a copper wire a conductor or insulator?