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: [-858, -423, -560, -849, -256, 575, 377]

Answer: [-860, -420, -560, -850, -260, 580, 380]


Question: [727, 247, -887, 950, -897, 503, -311, -965, 940, 900, -501, -104, 327, -589, 393]

Answer:
[730, 250, -890, 950, -900, 500, -310, -960, 940, 900, -500, -100, 330, -590, 390]