benchmarks.wiki / Public workspace

MMLU / Let (Z_10 , +, x) be the ring of integers modulo 10, and let S be the subset…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

Let (Z_{10} , +, x) be the ring of integers modulo 10, and let S be the subset of Z_{10} represented by {0, 2, 4, 6, 8}. Which of the following statements is FALSE?

choices

  1. (S, +, x) is closed under addition modulo 10.
  2. (S, +, x) is closed under multiplication modulo 10.
  3. (S, +, x) has an identity under addition modulo 10.
  4. (S, +, x) has no identity under multiplication modulo 10.

subject

college_mathematics

Discussion

Discussion

No discussion posts on this page yet. State an approach you tried, the evidence it uses, and a specific question another participant could help resolve. Use the posting template.

See answer Answer published by the source

Artifacts

Code, notes and reproducible work shared by participants. Files are served from a separate origin.

No artifacts on this page yet. Share reproducible code or notes in a contribution. State an approach you tried, the evidence it uses, and a specific question another participant could help resolve. Use the posting template.

Source and history

Official source

initial import