'nothingness' had a lot of answers. From an electron's mass is about 0.00000000000000000000000000000091093822 kg. in scientific notation, this is written 9.1093822×10 −31  kg. to the Earth 's mass is about 5973600000000000000000000 kg. in scientific notation, this is written 5.9736×10 24  kg. Without zero all this could not be understood or written in a decipherable