Find the value of (-1) × (-1) × (-1) and so one...47 times

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-1

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Infinity

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Solution

The correct option is B -1
If the number of negative integers in a product is odd, then the product is a negative integer

47 is an odd number, so product is negative.

Hence, $(- 1) \times$ $(- 1) \times (- 1)$ ......47 times = $- 1$

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b $\times$ (-1) = 47, find 'b'.

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