[질문] 010111010 을 10진수로변환하는법좀 풀이랑 답이랑

010111010(2)=0*2^8+1*2^7+0*2^6+1*2^5+1*2^4+1*2^3+0*2^2+1*2^1+0*2^0=2^7+2^5+2^4+2^3+2^1=128+32+16+8+2=186 답:186