Math Riddles

 
Exponents (medium)

Question: What exponents other than the same two numbers with the numbers one thru ten can be flipped and have the same answer?


By Sal

Question: If 1+1=2, 2+2=8, 3+3=18. What does 4+4=?

Question: 123-----111213-----31121113-----? What is the next term in the sequence?