Answer:
21,000
Explanation:
Our
digit is
![9](https://img.qammunity.org/2022/formulas/mathematics/college/b39gcp5k9dt6qk7hnkx2isvbviam8wxbyw.png)
rounded upward would be
![10](https://img.qammunity.org/2022/formulas/mathematics/high-school/nmkmrezwh1n3hu2tf30qhc3mc5e5zh8h1x.png)
Ten is in a different unit than nine, since 10 is in the tens place, and 9 is in the ones place. Our answer wouldn't be 201000 because that just wouldn't make sense. So our answer would be 21,000