Question

what will be the sing of the product ,if we multiply 90 negative integers and 9 positive integers? solve it in copy please​

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