what will be the result when number 3 is doubled 30 times and subtract 1 from it

• (3*2^30)-1
• 9 years agoHelpfull: Yes(8) No(0)
• 5
  no matter how many time we double a no we get only its double
  i.e if we double 3 , we get 6 and
  6-1 =5
  
• 9 years agoHelpfull: Yes(4) No(3)
• (3x2)30-1=180-1=179
  
• 9 years agoHelpfull: Yes(2) No(3)
• [3*2^(30-1)]-1
• 9 years agoHelpfull: Yes(0) No(2)
• whats the wright answer??
• 9 years agoHelpfull: Yes(0) No(0)
• what is the correct ans??
  
• 9 years agoHelpfull: Yes(0) No(0)