Answer: 1,674,935.5
Explanation:
To round, you would look at the digit to the right of the tenths place which is the 6 that is bolded
1,674,935.46
you round up when that digit is equal or greater to 5, so since 6 is greater than 5, you would add one to the tenths digit (underlined 4), so the underlined 4 becomes 5 and you drop the bolded 6 to get
1,674,935.5