2 cdot 10 4 7 3 July 8, 2019 16 32 64 128 2 cdot 10^4-7^3= 2 3 cdot 10 8 4 7 cdot 10 7 2 cdot3^ 3 +4 Left(2 cdot10^ 5 right)+ left(6 cdot10^ 5 right) Left(3 cdot10^ 3 right)^ 2
