it really easy but I'm dumb so pls help!
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To round to the nearest whole number, look at the tenths column. If the digit is 4 or less round down; otherwise it is 5 or more and round up. The tenths digit is 9 so round up → 30.92 → 31 to the nearest whole number.
37000
The least number that rounds to 5000 is 4950. When rounding to the nearest thousand, any number from 4950 to 5049 will round to 5000. This is because 4950 is closer to 5000 than it is to 4000, and 5049 is closer to 5000 than it is to 6000.
95,000
To round 78.3109 to the nearest thousandth, you would look at the digit in the thousandths place, which is the 1 in this case. Since the digit to the right of 1 is less than 5, you would keep the 1 as it is. Therefore, rounding 78.3109 to the nearest thousandth would result in 78.311.