390 divided by 10 is 39.
78
7.6923
39
15.3543
To round 391 to the nearest ten, we look at the digit in the tens place, which is 9. Since 9 is greater than or equal to 5, we round up. So, 391 rounded to the nearest ten is 400.
78
390
390
390
0.0667
390
390 divided by 60 is 6 with remainder 30.
7.5
2.0256
7.6923
19.5
6.7241