What are the last 2 digits of 4^5^6^7?? Please explain the procedure.
option
1.24
2.54
3.28
4.none of these

• none of these....since given can be written as 2^10^6^7=2^420=(2^42)*2^10
  =(2^6)^7*2^10
  by solving the last digit will be 6....since there is no such option..it is none of these
• 11 years agoHelpfull: Yes(0) No(2)