Using multiplication 40 times 45 = 1800
None
To find all the multiplication facts that equal 84, we need to break down 84 into its prime factors. The prime factors of 84 are 2, 2, 3, and 7. Therefore, the multiplication facts that equal 84 are 1 x 84, 2 x 42, 3 x 28, 4 x 21, 6 x 14, and 7 x 12.
1 x 21 3 x 7 7 x 3 21 x 1
How about: 5*9 = 45 as one example
30x1 15x2 10x3
10*4=40
1 times 4
-2 x 3
1*114 = 114 is one such fact.
1 x 25, 5 x 5.
There are infinitely many facts. Some of these are: 1 * 10 100 * 0.2 50 * 0.4