173.3004999...
7649
You look at the digit in the hundred thousandths position. It is a 7, so it will round up the number so that 4.3523 is your answer.
749
14.11931627 to the nearest hundred-thousandths is 14.11932
827.392 to the nearest hundred thousandths is 827.39200
949
7649
six hundred fifty
549999
7.083 gives 7.08 to the nearest hundred.
Because the number in the thousandths place is less than 5, you would round 62.17354 to 62.17.
The greatest number that will round off to 300 is 300.49. When rounding to the nearest hundred, any number from 250 to 349 will round to 300, but 300.49 is the highest value before reaching 300.5, which would round to 301.