Integers

different signs

100

-7 x 4 

What Is -28

200

-6 x 6

-36

300

-2 x 2

-4

400

10 x - 10

-100

500

if both signs are different the answer will always be?? 

What Is Negative

same signs

100

-20 x -20

400

200

8 x 8

64

300

9 x 7

63

400

100/10

10

500

500/50

10