-98
2
3,500,000 rounds up. 3,499,999 rounds down.
3,500,000 rounds up. 3,499,999 rounds down.
800
It rounds to 4 when rounded to the nearest whole number.
9.45 rounded to the nearest whole number is 10. .45 rounds to .5 and 9.5 rounds to 10.
7200
3,500,000 rounds up. 3,499,999 rounds down.
3,500,000 rounds up. 3,499,999 rounds down.
199
3,500,000 rounds up. 3,499,999 rounds down.
8600
800
The mystery number is 155. When rounded to the nearest hundred, it rounds to 200. The sum of its digits is 1+5+5=11 which is greater than 10, so we must adjust the digit in the hundreds place. When rounded to the nearest ten, 155 rounds to 160, which has digits summing up to 1+6+0=7.
It rounds to 4 when rounded to the nearest whole number.
9.45 rounded to the nearest whole number is 10. .45 rounds to .5 and 9.5 rounds to 10.
200
8