Can someone help?

Question

5 times 4 equals ? Times ?

Answer 1

5 times 4 = 20

5x4 = 20

5(4) = 20

4 times 5 = 20

5 times 4 = 10 x 2 = 20 x 1 = 40 x 1/2 = 80 x 1/4 = 160 x 1/8 = 320 x 1/16 = 640 x 1/32

= n x 20/n = 20n x 1/n = 5n x 4/n for any real number n