43^256*57^343 what is unit digit of product?

• As we know....256 is divisible by 4 nd the unit digit there is 3 so it must be 1 in unit place(43^256).The second term content 343 which is n't divisible by 4 nd remainder is 3 so first term * second term=(43)^256 * (57)^343 = 1*3=3....be the ans...
• 10 years agoHelpfull: Yes(14) No(0)
• 3 wll bd ans
• 10 years agoHelpfull: Yes(1) No(0)
• 1*3=3
  unit digit is 3
• 10 years agoHelpfull: Yes(1) No(0)
• (3^4)^64= ....1 its unit digit is 1
  (7^4)^343=...1*7^3=....1*343=.....3 its unit digit is 3
  ans=1*3=3
  
• 7 years agoHelpfull: Yes(1) No(0)
• simply 3*6*7*3 = 378
• 10 years agoHelpfull: Yes(0) No(12)
• 3^256 * 7^343
  =(3^64)^4 * (7^83)^4.7 can have remainder 1*1*7 =7
  Ans is 7
• 10 years agoHelpfull: Yes(0) No(5)
• ans:3^6=9,7^3=3
  9*3=27
  unit digit is 7
• 8 years agoHelpfull: Yes(0) No(2)