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Number Base - JSS1 Mathematics Past Questions and Answers - page 2

11

Perform the binary addition in base 2: 1011+110

10001​ (which is 17 in decimal)

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12

Perform the binary subtraction in base 2: 10101−1101

10000 (which is 16 in decimal)

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13

Convert the decimal number 23 to binary in base 2

14

Multiply the binary numbers 101 and 11

1111 (which is 15 in decimal)

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