Question

Formulae to convert binary digit to decimal?

Answer 1

suppose take (1011010) and we gave to convert it into decimal number

So

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

= 90

means multiply each binary bit with base 2 ^ its position

654321

(1011010)

hope you have understand

and according to your question binary to decimal conversion has no standard formula