R=1000e^-ct , it takes 5730 years for half of the substance to decay a. find the number of atoms at the start of the decay. b. calculate the number of atoms left when t=22920. c. sketch the function.

a.1000 b. R=62.5 c. Sketch

PU

Related Maths A Level answers

All answers ▸

What is an improper fraction, and how to I make thisproper so that it can be differentiated?


Prove that (1-cos2x)/sin(2x) = tan(x) where x ≠ nπ/2


What is a derivative?


Find the equation of the straight line that passes through the points (1,2) and (2,4)