(4.42*10^4)*(4.56*10^-3)
(4.42*10^4)*(4.56*10^-3) we can write this as :
4.42 x 4.56 x 10^4 x 10^-3 =
20.1552 x 10^1 =
2.01552 x 10^2 [in scientific notation ]
Please look at your other post. I answered it. :)