4 pi 10^-7 July 8, 2019 16 32 64 128 4 * pi * 10 7 4 pi * 10 7 is the value of 4 pi x 10 7 4 pi times 10 7 B 4 pi 10 7 4 pi x 10 7 tm a 4 pi mal 10 7 4 pi into 10 7
