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# Help residues mod 7 continents

Hello friends , help me in these questions

$$(1)$$ Find the $$2016$$th digit from the right of the decimal expansion of

$$\huge\ { 2016 }^{ { 2015 }^{ { 2014 }^{ ... } } }$$.

$$(2)$$ Find the sum of the last $$8$$ digits of the number

$$\huge\ { 201 }6^{ { 2016 }^{ { 2016 }^{ { 2016 }^{ 2016 } } } }$$.

Note by Priyanshu Mishra
1 year, 7 months ago