A. 158

B. 0x9D

C. 156

D. 157

E. 0x19

F. 0x9F

Answer: B, D

Explanation:

10011101 = 128+0+0+16+8+4+0+1 = 157

For hexadecimal, we break up the binary number 10011101 into the 2 parts:

1001 = 9 and 1101 = 13, this is D in hexadecimal, so the number is 0x9D. We can further verify by taking the hex number 9D and converting it to decimal by taking 16 times 9, and then adding 13 for D (0x9D = (16x9)+13 = 157).