[AP CSP] Binary NUmbers

Convert 128 to binary

• 10000000
• 01111110
• 10000001
• 11001100

Convert 65 to binary

• 01100001
• 00100001
• 01000001
• 00100101

Convert 254 to binary

• 11110000
• 11111100
• 11111111
• 11111110

Convert 37 to binary

• 00100101
• 00100011
• 00100111
• 01000101

Convert 11111111 to decimal

• 255
• 245
• 235
• 225

Convert 00100100 to decimal

• 26
• 36
• 46
• 56

Convert 01000100 to decimal

• 58
• 68
• 78
• 88

Convert 11001100 to decimal

• 224
• 134
• 104
• 204

What are the only two numbers you can use in binary?

• 0 and 1
• 1 and 2
• 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
• 1, 2, 4, 8, 16

If a binary number ends with a 1, it must be...

• An odd number
• An even number
• A prime number
• The number 12