When rounding in the hundreds, you round when the tenths digit is greater than or equal to 5. In this case, 7 isgreater than 5, so you will round the ones digit up to the next- the answer is 400.
(400)
300
To round 97 to the nearest 100, you need to look at the digit in the tens place, which is 9 in this case. Since 9 is greater than or equal to 5, you will round up. Therefore, 97 rounded to the nearest 100 is 100.
200
96 round to the nearest ten=100
6400
500
It is 375, because 0.45905 is less than a half.
That would be true of 375 to 384.
Well, honey, to round 375 to the nearest ten, you just look at the digit in the tens place. If it's 5 or greater, you round up. In this case, 7 is greater than 5, so 375 rounded to the nearest ten is 380. Easy peasy, lemon squeezy!
372 rounded to the nearest hundred is 400
400
300
Oh, dude, rounding 100 to the nearest 10 is a piece of cake! You just look at the digit in the tens place, which is 0, and since it's right in the middle, you round up to the nearest 10, which is 100! Easy peasy, lemon squeezy!
100
10100
4198 to the nearest 100 = 4200
The answer is zero.