In the following problems, you are asked to convert from one number base to another. I am aware that there are calculators that will do this for you. Thus, you must show all your work to get credit for these problems. 1. (3 points) - Convert the 8-binary binary expansion ( 0110 1001 )2 to a decimal expansion. 2. (3 points) - Convert the following decimal expansion ( 124 )10 to an 8-bit binary expansion. 3. (2 points) - Convert the following hexadecimal expansion ( BAD )16 to an octal expansion. 4. (2 points) - Convert the following binary expansion ( 0110 1011 1001 1101 )2 to a hexadecimal expansion