Question

Write the multiplication sign rules and give exam​

Answer 1

Answer:

For Multiplication and Division: If the signs are the same the result is positive. If the signs are different the result is negative. Addition: Note that the magnitude of a signed number is the same as its absolute value. When adding a positive number and a positive number: Add the magnitudes.

Answer 2

Answer:

(+) × (+) = +

(+) × (-) = -

(-) × (+) = -

(-) × (-) = +