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: [-111, -763, 823, -564, -470, -742, 580]

Answer: [-110, -760, 820, -560, -470, -740, 580]

Question: [-178, -751, -146, 572, 687, 349, -817, 323]

Answer:
[-180, -750, -150, 570, 690, 350, -820, 320]