Each binary position (from right) is 1,2,4,8,16,32,64,128. Add the values where a 1 appears.
To succeed, you must memorize the for an 8-bit byte: 128 ( 272 to the seventh power 64 ( 262 to the sixth power 32 ( 252 to the fifth power 16 ( 242 to the fourth power 8 ( 4 ( 222 squared 2 ( 212 to the first power 1 ( 202 to the 0 power Binary to Decimal: Cheat Sheet 8.2.6 Binary Game Answers
Convert the decimal number -23 into an 8‑bit two’s complement binary representation. Answer: 11101001 Each binary position (from right) is 1,2,4,8,16,32,64,128
Could you clarify: