# How do you write 46,500,000 in scientific notation?

$4.65$ ${10}^{7}$
You separate into two parts. How many zeroes gives you the power of ten. Thousand is 3 zeroes so it's ${10}^{3}$ The left most digit tells you how many units you have. Here you have 46.5 millions of $4.65$ ${10}^{7}$. It's not just a way of rewriting, it makes calculations much easier.