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4^5^6^7^8^9^10 find unit digit
Read Solution (Total 15)
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- guys first find out unit digit of4^5ie is 4 then
4^6 unit digit its 6
then 6^7^8^9^10=6 bcz 6 unit digit alway 6 - 10 years agoHelpfull: Yes(48) No(11)
- there no need of any kind of calculation as. 4^odd = 4
- 10 years agoHelpfull: Yes(14) No(10)
- 4
unit digit
- 10 years agoHelpfull: Yes(5) No(7)
- 4;
when 4^odd, unit digit= 4 - 10 years agoHelpfull: Yes(4) No(4)
- 4^5 is unit digit 4
4^6 unit digit is 6
6^ (anything) is always be 6 - 10 years agoHelpfull: Yes(4) No(3)
- 4^odd=4
4^even=6
so in the question power is in even so unit digit will be 6 - 10 years agoHelpfull: Yes(3) No(0)
- in thi que power is even ..plz calculate the power of 4 that is even then ans will be 6
- 10 years agoHelpfull: Yes(3) No(0)
- ans 4
since 5 to any power is always an odd no.
and cyclicity of 4 is 4,6,4,6 so ans is 4 - 10 years agoHelpfull: Yes(2) No(4)
- total 4^45 here 45 s odd so 4 ans
- 10 years agoHelpfull: Yes(1) No(3)
- ans is 4
because 4^5,unit digit is 4 - 10 years agoHelpfull: Yes(1) No(2)
- =4^15120
=Unit Digit=6 - 10 years agoHelpfull: Yes(1) No(0)
- ans is 6
as for odd power 4 gives 4 in unt place and for even gives 6
- 10 years agoHelpfull: Yes(1) No(0)
- 5^anything --> will be 5
4^odd is always 4
4^5 will be 4 as 5 is odd
therefore Answer is 4 - 10 years agoHelpfull: Yes(0) No(2)
- unit digit - 4^5=4
unit digit -4^6=6
unit digit -6^7=6
unit digit -6^8=6
unit digit -6^9=6
unit digit -6^10=6 - 8 years agoHelpfull: Yes(0) No(0)
- 6 is the answer
- 6 years agoHelpfull: Yes(0) No(0)
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