If anyone know about meaning of double **

Answer 1

Means to the power of. So 2**2 is the same as 2^2 = 4. 2**3 is 2^3 or 2*2*2 =8

Answer 2

It’s the exponent operator (x to the power of y) e.g. 2**3 = 2 * 2 * 2

Answer 3

simply power of a number. if you write 2**3,it means power of 2 is 3 that is 2*2*2