How do you get 6,300,00 using the digits 1-7 to creat a seven-digit number that can be rounded to 6,300,000?

In the problem, how do you get 6,300,000 using the digits 1-7 to create a seven-digit number that can be rounded to 6,300,000. We can use the numbers according to the rule of rounding values, 0-4 and 5-9. Hence the numbers are:
1. 6, 290,000 = 6, 300, 000
2. 6, 310, 000 = 6, 300, 000 Therefore the numbers concerned in the given value is in the place order of ten thousand which will determine the hundred thousands’ value.  

If you make it a little more clear i can answer it