That would be true of 375 to 384.
380
It is 380 because 4 is less than 5
380
380
That depends on what place you want it rounded to. -- To the nearest tenth . . . . . . . . . 380.8 -- To the nearest whole number . . 381 -- To the nearest ten. . . . . . . . . . . 380 -- To the nearest hundred. . . . . . . 400 -- To the nearest thousand. . . . . . zero
380
To the nearest ten, 380
380
380 ends with a zero, so it is already rounded to a ten, so it is 380.
It ends with a 5, so it will round up to 380.
380
380
It is 380 because 4 is less than 5
380
380
380
380