How about 9 times 5 = 45
1, 3, 5, 9, 15 & 45.
It is 152 times 45 = 6840
Square root of 45 times square root of 45 = 45
45
2x28, 4x14, 7x8
3x = 45 x = 15
They are: 3 times 15 = 45, 9 times 5 = 45 and 1 times 45 = 45
It is: 11.25*4 = 45
It is: 5 times 9 = 45
4x16=64 that is the final answer
6.708203932499369 x 6.708203932499369 = 45