Question

What will be sign of the product, If we
multiply 90 negative integers and 9 positive integers​

Answer 1

The product of -90 integers x 9 integers = - 810 integers. So the answer is positive integer. Because the negative integers on multiplication become positive so the end result will also be positive.

Negative x negative = positive in mathematical multiplication which is known by all. On applying such rule, you are sure to get positive value in the end result of multiplication.

Answer 2

Answer:

the sign will be -

Step-by-step explanation:

because (+) × (-) = -

(-) × (+) = -

(+) × (+) = +

(-) × (-) = -

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