3 Perform the following tasks a Do the following problems without a calculator For each problem display the answer you get Then check on the calculator Display your answers 1a 12 5 4 3 2a 2 5 6 2 0 3a 168 4 4a 16 8 4 5a 12 2 9 2 6a 8 2 2 1 7a 2 5 9 8a 2 x 5 2 9 9a 8 2 1 10a 3 11a 100 5 2 12a 100 5 2 b What steps did you use to get the answers c What do we learn from the calculator about Order of Operations