Question

what will be the sign of product a x b if a is the product of 5 positive integers and b is a product of 9 negative integers​

Answer 1

Answer:

Hey

Step-by-step explanation:

I think

5×9=45

hope this answer will help you

Answer 2

Step-by-step explanation:

(-1) × (-1) × (-1) × (-1) × (-1)

[(-1) × (-1)] × [(-1) × (-1)] × (-1)

1 × 1 × (-1)

1 × (-1)

-1