Whole Numbers - JSS3 Mathematics Past Questions and Answers - page 2

Write down the binary number and its place values:

1101

1×2^3, 1×2^2, 0×2^1, 1×2^0

Calculate the value of each bit:

1×2^3=1×8=8

1×2^2=1×4=4

0×2^1=0×2=0

1×2^0=1×1=1

Add the values together:

8+4+0+1=13

Input the numbers into the calculator:

34+29

Perform the addition:

34+29=63

Answer: The sum of 34 and 29 is 63.