380 rounded to the nearest 10th
400 rounded to the nearest 100th
0
380
400
380
381 3,127
700-381 = 319
0.0079
1, 3, 127, 381
381
584 + 381 = 965
380. Last digit 5 or more middle number goes up, 4 or less you round down so stays where it is. 386 would round to 390.
381 is divisible 3 and only 3