Maths Olympiad Prep

Library / /37 of 387

, 2002

Algebra Difficulty 1.0 Junior Find the answer Canada

The numerical value of 22×21×20×21×222^{-2} \times 2^{-1} \times 2^0 \times 2^1 \times 2^2 is

(A) 44 (B) 11 (C) 00 (D) 14\frac{1}{4} (E) 12\frac{1}{2}

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Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project. Solutions are the publisher's, linked not copied.