Question

what is the equation given by Albert Einstein regarding energy and mass?

Answer 1

E=mc2, where E stands for energy, m formass and c for the speed of light 

Answer 2

Hello there __
after the Theory of relativity einstein found the most famous fomula

$e \: = mc \: square$
E stands for __ Energy
M __for mass
C __for speed of light in vacum

Hope it helps
@trisha__