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.
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Question: [-645, 278, 871, 250, 918, 852, 404, -121]

Answer: [-640, 280, 870, 250, 920, 850, 400, -120]


Question: [475, 441, -91, 630, 509]

Answer: [480, 440, -90, 630, 510]


Question: [240, -859, 812, -399, 711]

Answer:
[240, -860, 810, -400, 710]