Final answer:
The correct division from the Library of Congress system for the book 'Abstract Algebra' is QA150-272.5.
Step-by-step explanation:
The correct division from the Library of Congress system for the book 'Abstract Algebra' is QA150-272.5. The Library of Congress system uses letters and numbers to organize books according to their subject. In this system, 'QA' represents mathematics as a broad category, and the specific range 'QA150-272.5' is for algebraic structures and algebraic varieties.