Вычислить:1) 77(8) = ? (10)2) 67(10) = ? (2)3) 7(10)=? (2)4) 13(10) = ? (2)

Question

Вычислить:
1) 77(8) = ? (10)
2) 67(10) = ? (2)
3) 7(10)=? (2)
4) 13(10) = ? (2)

Answer 1

1) 77(8)=63(10)
2) 67(10)=1000011(2)
3) 7(10)=  111(2)
4) 13(10)= 1101(2)

Comments

1110011(2) = ? (10)

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1110011(2)=1*2^6+1*2^5+1*2^4+0*2^3+0*2^2+1*2^1+1*2^0=64+32+16+0+0+2+1=115: 1110011(2)=115(10)