Convert the binary number 10101 to its base 10 equivalent. 12 21 22 31

asked Aug 25, 2022 13.4k views

4 votes

Convert the binary number 10101 to its base 10 equivalent.

12
21
22
31

8.7k points

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7 votes

$\\ \sf\Rrightarrow (10101)_2$

$\\ \sf\Rrightarrow 1* 2^0+0* 2^1+1* 2^2+0* 2^3+1* 2^4$

$\\ \sf\Rrightarrow 1+4+16$

$\\ \sf\Rrightarrow (21)_(10)$

Dave The Dane answered Aug 31, 2022