Question

what will be the sign of the product if we multiplied together 15 negative integers and 4 positive integers

Answer 1

the sign will be negative

Answer 2

The net sign is negative because odd number negative sign is equal to negative so the product of 15 negative number is negative .and positive sign with positive sign with multiply any number of times give net result is positive so4 +be gives +be sign and we know that +ve×_ve gives _ve