Expressed numerically, 1023 = 100000000000000000000000 or 10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10
100. 10 + 10 + 10 + 10 + 10 + 10 + 10 + 10 + 10 + 10 = 100
10% of 10 is One 10 x 10/100 = 10 x 1/10 = 10/10 = 1
1*1012 = 10*10*10*10*10*10*10*10*10*10*10*10 or 1,000,000,000,000
10 -7 in exponets = 3
More information is needed. Please post a new, separate question with the bill's date and whether is was issued by the Federal Government or by a private bank. If it's from a private bank, include the bank's name. The X's of course are the Roman numeral for 10. Their resemblance to a sawbuck, a carpenter's device for holding large pieces of wood, earned these bills the nickname of "sawbucks".
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern SAW---K-. That is, eight letter words with 1st letter S and 2nd letter A and 3rd letter W and 7th letter K. In alphabetical order, they are: sawbucks
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 6 words with the pattern S---U-K-. That is, eight letter words with 1st letter S and 5th letter U and 7th letter K. In alphabetical order, they are: sawbucks schmucks schtucks seaquake spelunks subfusks
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 3 words with the pattern --WB-CKS. That is, eight letter words with 3rd letter W and 4th letter B and 6th letter C and 7th letter K and 8th letter S. In alphabetical order, they are: hawbucks sawbucks sowbacks
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 11 words with the pattern -A-B--KS. That is, eight letter words with 2nd letter A and 4th letter B and 7th letter K and 8th letter S. In alphabetical order, they are: canbanks daybooks fatbacks hauberks hawbucks lawbooks laybacks paybacks sawbucks tanbarks zambucks
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 7 words with the pattern S---UC-S. That is, eight letter words with 1st letter S and 5th letter U and 6th letter C and 8th letter S. In alphabetical order, they are: sambucas sawbucks schmucks schtucks scrauchs subduces subducts
its 10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10+10
A megafugagargantugoogolplex is equal to (10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10^{10
100,000,000,000,000,000,000,000 a.k.a. 10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10 or 100 sextillion
1018 or 10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10
Expressed numerically, 1023 = 100000000000000000000000 or 10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10
The answer would be 100,000,000,000,000,000 or 10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10 (17 factors of 10)