Teacher:In this task you will be given a list of integers. You should round each integer to the nearest tens place. That means you should round the number to the nearest multiple of 10.
Teacher: Now, understand the problem? Solve this instance: [279, -903, -351, 391, -90]
Student:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
[280, -900, -350, 390, -90]