Change 101010two to base ten.

a) 42
b) 3
c) 84
d) 30

• a) 42
  
  (101010) base2 = (1*2^5 + 0*2^4 + 1*2^3 +0*2^2 + 1*2^1 + 0*2^0) 10 = (42) base10
• 10 years agoHelpfull: Yes(21) No(0)
• (a) 42
  
  2^5+2^3+2^1=42
• 10 years agoHelpfull: Yes(10) No(0)
• decimal to binary we can start from right end digit with 2^0*right end value and same procedure apply from right to left but power increases from rgt to lft
  now (101010)base2=from left to rgt (1*2^5 + 0*2^4 + 1*2^3 +0*2^2 + 1*2^1 + 0*2^0) 10 = (42) base10
  
• 9 years agoHelpfull: Yes(1) No(0)