6. Multiply the following pairs of binary numbers. Show all of your work. a. 111 x 101 b. 1011 x 1011 c. 1111 x 011 d. 1001 x 11.1
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111 x 101 $$ \begin{array}{@{}c@{\,}c@{}c@{}c@{}c} & & & 1 & 1 & 1 \\ & & \times & 1 & 0 & 1 \\ \hline & & & 1 & 1 & 1 \\ & & 0 & 0 & 0 & \\ & 1 & 1 & 1 & & \\ \hline & 1 & 0 & 0 & 0 & 1 & 1 \\ \end{array} $$ So, $111 \times 101 = 100011$ Show more…
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