Find lists of length 3 or more beginning with 1 and ending with 9 in IntegerDigits[Range[1000]].

32.1

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Find lists of three identical elements in IntegerDigits[Range[1000]].

32.2

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In the digit lists for the first 1000 squares, find those that begin with 9 and end with 0 or 1.

32.3

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In IntegerDigits[Range[100]] replace all 0’s by Gray and all 9’s by Orange.

32.4

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Make a list of the digits of 2^1000, replacing all zeros by Red.

32.5

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Remove the vowels a, e, i, o and u from the list of characters in “The Wolfram Language”.

32.6

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Find a simpler form for Select[IntegerDigits[2^1000],#==0||#==1&].

32.7

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Find a simpler form for Select[IntegerDigits[Range[100,999]],First[#]==Last[#]&].

32.8

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