Question

Convert the binary numbers into decimal number 1010102

Answer 1

$\\ \sf\longmapsto (101010)_2$

$\\ \sf\longmapsto 0\times 2^0+1\times 2^1+0\times 2^2+1\times 2^3+0\times 2^4+1\times 2^5$

$\\ \sf\longmapsto 2+8+32$

$\\ \sf\longmapsto (42)_{10}$