4) Which numerical expression equals - 1? A) - 1 (1 - 1) B) - ( - 1) ( - 1) C) ( - 1) + 1 - 1 ( - 1) D) - ( - 1) - ( - 1) ( - 1)

Question

Parrish

Mathematics

17 July, 03:40

4) Which numerical expression equals - 1? A) - 1 (1 - 1) B) - ( - 1) ( - 1) C) ( - 1) + 1 - 1 ( - 1) D) - ( - 1) - ( - 1) ( - 1)

+2

Answers (2)

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Gloria Hunt · Answer 1

A) - 1 (1 - 1) = - 1 · 0 = 0

B) - (-1) (-1) = - 1

C) (-1) + 1 - 1 (-1) = 0 - (-1) = 0 + 1 = 1

D) - (-1) - (-1) (-1) = 1 - 1 = 0

A and D are equal.