a~(4657)*10=4.657*10^4
a~(466)*10^2=4.66*10^4
a~(47)*10^3=4.7*10^4
a = (4657)*10=4.657*10^4
a = (466)*10^2=4.66*10^4
a = 47)*10^3=4.7*10^4
a~(4657)*10=4.657*10^4
a~(466)*10^2=4.66*10^4
a~(47)*10^3=4.7*10^4
a = (4657)*10=4.657*10^4
a = (466)*10^2=4.66*10^4
a = 47)*10^3=4.7*10^4