300
74,312 is already rounded to the first digit (ones).
300
290
In the number 287, the digit 2 is in the tens place. This means that the value of the digit 2 is 20, as it represents 20 tens. In the number 287, the digit 2 contributes to the overall value of 20.
5.5296
23.1
0
290
27.60 rounded to one decimal place is 27.6. The first digit to the right of the . is the tenth.
82.58% (rounded to nearest hundredth).
300