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: [280, 406, 560, 556, -81]

SOLUTION: [280, 410, 560, 560, -80]

PROBLEM: [-751, 439, -168, -564, 657, 56, 253, 452]

SOLUTION: [-750, 440, -170, -560, 660, 60, 250, 450]

PROBLEM: [690, 978, -256, 369, -157, -17, -877, 479, -710, 977, 599]

SOLUTION:
[690, 980, -260, 370, -160, -20, -880, 480, -710, 980, 600]