I need help on this execise:

3. Which of the following are legal assembly language numbers for MASM5? If they are legal, tell whether they are binary, decimal, or hex numbers. a. 246 b. 246h c. 1001 d. 1,101 e. 2A3h f. FFFEh g. 0Ah h. Bh i. -1110b 4. If it is legal, give data definition directives to define each of the following. a. A word variable A initialized to 52. b. A word variable WORD1, uninitialized. c. A byte variable B, initialized to 25h. d. A byte variable C1, uninitialized. e. A word variable WORD2, initialized to 65536 f. A word array ARRAY1, initialized to the first 5 positive integers. g. a constant BELL equal to 07h. h. a constant MSG equal to 'THIS IS A MESSAGE$' 5. Suppose that the following data are loaded at offset 0000h. A DB 7 B DW 1ABCh C DB 'HELLO' D DD '1234' a. Give the offset address assigned to variables A, B, C, and D. b. Give the hex contents of the byte at offset 0002h. c. Give the hex contents of the byte at offset 0004h. d. Give the offset address of the character 'O' in 'HELLO'. e. Give the hex contents of the low word of the variable D.