Question

4. Why product (- 9) (-5) * (- 6) is negative while
(- 9) *(-5) * (- 6) * (- 1) is positive? Give reason. is for 7 class​

Answer 1

Answer:

because in first case there are odd no. of negative integers to be multiplied . when there are odd number of negative integers the answer is always negative

and in second case there are even no. of negative integers. when there are even no. of negative integers

the are is always positive.

Explanation:

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Answer 2

Answer:

Because number of negative integers in (-9)×(-5)×(-6) is odd . whereas number of negative integers is (-9)×(-5)×(-6)×(-1) is even .