Question

Arrange the following in ascending order.
(Smallest at the top)

• A. 4 x 9
• B. 5 x 8
• C. 5 x 6
• D. 8 x 9

Answer 1

4 x 9 = 36
5 x 8 = 40
5 x 6 = 30
8 x 9 = 72

Since $30<36<40<72,$ we have
$5\times 6<4\times 9<5\times 8<8\times 9.$