Question

The sign of the product of –21 and 451 is

Answer 1

the sign of the product is negative (-) the number is -9471

Explanation:

when multiplying (product) 2 numbers:

if one number is negative and other is positive, answer is always a negative

if both numbers are negative, then answer is always positive

and finally if both numbers are positive, then the answer is positive.

Answer 2

negative

Explanation:

A negative times a negative is a positive

A positive times a positive is a positive

A negative times a positive is a negative