Question

Whats is the calculation to convert binary number (base 2) into decimal number (base 10)

Answer 1

1011011 = (1 x 2⁶)+(0 x 2⁵)+(1 x 2⁴)+(1 x 2³)+(0 x 2²)+(1 x 2¹)+(1 x 2⁰)
             = (1 x 64)+(0 x 32)+(1 x 16)+(1 x 8)+(0 x 4)+(1 x 2)+(1 x 1)
             = 64+0+16+8+0+2+1
             = 91

(1011010)₂ = (91)₁₀ 

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