Question

convert (1011010)² from binary to decimal

Answer 1

actually it is (1011010) with base 2 not raise 2 dear !! ok

Answer :

(1011010)

= 1 × 2 ^ 6+ 0× 2^5 +1×2^4 + 1×2^3 +0×2^2 + 1×2^1 + 0×2^0

= 90

so the decimal number is 90