Manual web chat · medium response level. The saved transcript may include the prompt and web interface text.
This is a Korean CSAT mathematics multiple-choice problem. Solve it and put only the correct choice symbol, one of ①, ②, ③, ④, ⑤, inside \boxed{}.
Problem 23 From the four lettersa,b,c, andd, three letters are chosen with repetition allowed and arranged in a row. How many such arrangements are possible? [2 points] ①56 ②60 ③64 ④68 ⑤72
대화가 없습니다
로그인 회원가입 You are solving a Korean CSAT mathematics problem. Reason carefully, but the final response must contain exactly one final answer inside \boxed{}.
For multiple-choice problems, put only one of ①, ②, ③, ④, ⑤ inside \boxed{}. For short-answer problems, put only the final integer inside \boxed{}. Do not use external tools.
Problem 23 From the four lettersa,b,c, andd, three letters are chosen with repetition allowed and arranged in a row. How many such arrangements are possible? [2 points] ①56 ②60 ③64 ④68 ⑤72 더보기
The number of arrangements of 3 letters chosen from {a, b, c, d} with repetition allowed and arranged in a row is 4 3
64 4 3 =64.
\boxed{③}
Motif 3 중간 AI 답변은 오류가 있을 수 있습니다. 중요한 정보는 반드시 다시 확인해 주세요. 서비스를 이용하면 개인정보처리방침 새 창에서 열기 및 이용약관 새 창에서 열기 이 적용됩니다.
Comparative Analysis (P22) (Average across runs)
Averages use reported measurements only. Missing usage is not treated as zero.