Rounding to tens

Round the following numbers to tens:

The number of examples:
Range of values:

76179.3	≅
39.2	≅
88330.9	≅
18251.2	≅
26873.2	≅
53088.5	≅
27723.6	≅
91.1	≅
22170	≅
68.1	≅