11. Convert the following decimal numbers to their binary equivalents: a. 64 b. 100 c. 111 d. 145 e. 255 12. Convert the following decimal numbers to their binary equivalents: a. 34.75 b. 25.25 c. 27.1875 13. Convert the following hexadecimal numbers to their decimal equivalents: a. C b. 9F c. D52 d. 67E e. ABCD 14. Convert the following decimal numbers to their hexadecimal equivalents: a. 16 b. 80 c. 2560 d. 3000 e. 62,500 15. Convert the following hexadecimal numbers to their binary equivalents: a. E b. 1C c. A64 d. 1F e. 239 16. Convert the following binary numbers to their hexadecimal equivalents: a. 1001 b. 1111 c. 110101 d. 011001 e. 10100111