Binary Representation of integers

•To avoid confusion, we may use a subscript 10 or 2 to distinguish between a decimal number and a binary number, e.g., 12310 is a decimal number, and 10112 is a binary number. •Method 1:

  What is the binary form of decimal number 10710?

  Express 10710  as a combination of … 128, 64, 32, 16, 8, 4, 2, 1, then we will be able to work out the corresponding binary digits.

  Since 10710 = 64 + 32 + 8 + 2 +…