If you are rounding to the 9 on the right, the number stays the way it is. If you are rounding to the 9 on the left, it rounds to 489000000
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When rounding numbers, we typically look at the digit immediately to the right of the rounding digit. In this case, the digit to the right of 9 is 9, which is greater than or equal to 5. When the digit to the right is 5 or greater, we round the rounding digit up by 1. Therefore, 996 is rounded up to 1000.
22.9
56.199 rounded to the nearest tenth is 56.2. When rounding to the nearest tenth, you look at the digit in the hundredths place, which is 9 in this case. Since 9 is 5 or greater, you round up the digit in the tenths place, which is 6, making it 7. Therefore, 56.199 rounded to the nearest tenth is 56.2.
When rounding 9.99 to the hundredths place, we look at the digit in the thousandths place, which is 9. Since 9 is greater than or equal to 5, we round up the digit in the hundredths place by 1. Therefore, 9.99 rounded to the hundredths place is 10.
9900