Question

what will be the sign of the product if we multiply 90 negative integer and 9 positive integer?​

Answer 1

Answer:

When we multiply even number of negative integers the answer is positive. For e.g.=-1*-1=1

Now, 90 is an even number and hence the product would be positive only.

If we multiply 9 positive integers with a positive product then the answer would be negative only.

Hence the answer is positive.

Step-by-step explanation:

Hope this is clear