Q. Find: (–31) × (–100), (–25) × (–72), (–83) × (–28)

Answers (1)

We know,

Multiplication of two negative integers : (- a) \times (- b) = a \times b

\\ (-31) \times (-100) = 31 \times100 = 3100 \\ \\ (-25) \times (-72) = 25\times 72 = 1800 \\ \\ (-83) \times (-28) = 83\times 28 = 2324

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