Errata to Mathematics Between Friends

The Fall 2022 edition

Exercise 1.2 Solution
should be May 18 (instead of May 28).
Exercise 2.42 (d) Solution
shows a different question in the first Kaktovik numeral, i.e., one more in the 400s place. The answer to the textbook question is 2234. The answer to the solution question is as stated in the solution: 2634.
Exercise 2.47 (c) Solution
shows a different question in the first number, i.e., one less than the textbook question. The textbook question has answer 234 base 5. The solution question has the correct answer.
Exercise 6.16 Solution
The final answer should be 75.69%, not 81.3%.