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: [638, 820, 854, 284, 606, -769, 167, 215, 612, 581, -407, 726, -778, -382, 340]

Answer: [640, 820, 850, 280, 610, -770, 170, 220, 610, 580, -410, 730, -780, -380, 340]

Question: [206, 454, -366, 109, -195, 964, 803, 119, -286, 672, 639, -523, -354]

Answer: [210, 450, -370, 110, -200, 960, 800, 120, -290, 670, 640, -520, -350]

Question: [-614, 43, 368, 786, -791, 111, 236, 746, -764, 836]

Answer:
[-610, 40, 370, 790, -790, 110, 240, 750, -760, 840]