2^63*50/1000000000=? merci

Bonjour

2^63*50 / 1000000000= 2^63 x 5 x 10  / 10^9 = 2^63 x 5 x10^1-9
= 2^63 x 5 x 10^-8 = 461168601842,739 mg soit 461168,601842739 t