1. Round the following numbers to nearest 10

35, 24, 20, 100, 140, 160, 2155, 2240, 607, 




95, 1996, 99999




2. Round the following numbers to nearest 100

35, 100, 140, 160, 2155, 2240, 607, 95, 1996, 99999





3. Round the following numbers to nearest 1000

2155, 2840, 607, 95, 1996, 999999, 35, 100





4. Round the following numbers to nearest 100,000

2155, 999999, 8889999, 100