TASK 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.
PROBLEM: [538, 638, 183, -251]

SOLUTION: [540, 640, 180, -250]

PROBLEM: [-13, 484, 714, 904, -796, -496, 109, -674]

SOLUTION: [-10, 480, 710, 900, -800, -500, 110, -670]

PROBLEM: [98, 227, 752, 649, 463, 562, -503, 491, -637]

SOLUTION:
[100, 230, 750, 650, 460, 560, -500, 490, -640]