ТЕСПО 1. Convert 91 in a decimal number to octal base. 2. Convert the following binary numbers to base ten: (a) 110 (b) 111 (c) 101 (d) 1011 3. Convert the following decimal numbers to base two: (a) 96 (b) (c) 69 100 (d) 59 4. Convert the following decimal numbers to base eight: (a) 1000 (b) 619 (c) 412 (d) 950 5. Convert the following numbers to decimal number: (a) 1345 six 103 five (c) 1111 three (d) 1210three 243six (c) (b) (b) 6. Convert the following numbers to eight (a) 234 five 7. Simplify 1101 two + 1110two 8. Find the difference between these numbers, using the given base: (b) (a) 422five, 244 five 83 three 3102 four, 1003 four 3876three, 1237 three 9. If 23n = 1111two, find n 1021 three (d) 52 seven (c) 222two, 121two (d) 89 three,​