Question 1
Number BasesEvaluate 2022three − 1122three
- A.21120
- B.21121
- C.21112
- D.21011
Show the answer and explanation
Answer: A (21120)
Explanation
202three = 20 and 112three = 14. 400 − 196 = 204, and 204 = 2×81 + 1×27 + 1×9 + 2×3 + 0 = 21120three.