1. 101 (base 2) + 1101 (base 2) (base 2) 2. 1001(base 2) + 111 (base 2) 3.123 (base 16) + BAD (base 16) = ? (base 16) = ? (base 2) 4.57(base 8) +421(base 8) = ? (base 8) 5. 79 (base 10) ? (base 2) 6.120 (base 10) ? (base 2) 7.10101 (base 2) ? (base 10) 8.1000101 (base 2) ? (base 10) 9. 11101 (base 2) ? (base 16) 10. 11001111 (base 2) ? (base 16) Challenge: 1011 (base 2) + 1101 (base 2) +11 (base 10) ? (base 16)