Determine the sign of the product of −10.4×−78.2 . Enter + for positive or ­­­– for negative.(1 point)

To determine the sign of the product of two numbers, you can use the following rules:

- The product of two positive numbers is positive.
- The product of two negative numbers is positive.
- The product of a positive number and a negative number is negative.

In this case, both numbers, -10.4 and -78.2, are negative.

Since the product of two negative numbers is positive, the sign of the product −10.4 × −78.2 is positive.

So, the answer is +.