What is 363 rounded to the nearest ten and hundred?

When rounding 363 to the nearest ten, you look at the digit in the tens place, which is 6. Since 6 is greater than or equal to 5, the tens digit is rounded up to 370. When rounding to the nearest hundred, you look at the digit in the hundreds place, which is 3. Since 3 is less than 5, the hundreds digit remains the same, making it 400.