Matching Pairs Exponent MatchingOnline version 5.NBT.1 by Andrea Wonka 1 10x10x10 2 10^2 3 10^3 4 10x10x10x10x10 5 10x10x10x10 6 10x10x10 7 10x10x10x10x10 8 10^5 9 10^4 10^4 10000 1,000 1000 10^5 100,000 100 100,000 10^3