As a product of its prime factors: 2*2*5 = 20 or as 22*5 = 20
1x82x4
Infinite
Infinitely many.
i dont know 98 times 1
It is a square number because 20 times 20 = 400
22x111x21x222x11
1x82x4
Infinite
Infinitely many.
70*1.1 is one example.
3 are the ones i counted
How about: 5*9 = 45 as one example
Any, and every, multiplication problem must be "less than equal to or greater than one".
i dont know 98 times 1
They are: 1*15 = 15 and 5*3 = 15
1 x 41, 41 x 1
2.5 x 2 and 1 x 5