Answer: 13,900
Explanation:
To round numbers to the nearest hundred, you always look at the place one down which is the tens place. The tens place is 5.
The options for 856 to round to is either 800 or 900.
The rule is that 0-4 rounds down, 5-9 rounds up. Since the tens place is 5, it will round up to 900.
Therefore, the answer would be 13,900.
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