Convert it! (Problem 1)

Number Theory Level 2

What is the number 1 1 2 11_2 (in base 2) when converted to base 10?

- Problem 2


The answer is 3.

B D by B D , 16, Bulgaria

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2 solutions

B D
Mar 20, 2020

Relevant wiki Binary numbers

11 11 in Base 2 converted to Base 10 is 3 \boxed{3} .

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Chew-Seong Cheong
Mar 22, 2020

1 1 2 = ( 2 1 + 2 0 ) 10 = ( 2 + 1 ) 10 = 3 10 11_2 = (2^1+2^0)_{10} = (2+1)_{10} = \boxed 3_{10}

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