Answer :
you look at the next digit to the ten thousands place, in this case it is 3, and 3 is smaller than 5, so you do nothing to the ten thousands and change all else to zero
the rules of approx is
5 or larger-+1 to place approximating and change all else to 0
4 or smaller - Do nothing to place approximating and change all else to zero
the rules of approx is
5 or larger-+1 to place approximating and change all else to 0
4 or smaller - Do nothing to place approximating and change all else to zero