Definition: 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.
Input: [308, -674, -704, 792, -9, 989, -495, -93, 207, -16]

[310, -670, -700, 790, -10, 990, -500, -90, 210, -20]