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We can write the whole number 159 in expanded form as follows: 159 = (1 x 100) + (5 x 10) + (9 x 1). Decimals can also be written in expanded form. Expanded form is a way to write numbers by showing the value of each digit.This is shown in the example below.Example 4: Write each decimal in expanded form.e can write the whole number 159 in expanded form as follows: 159 = (1 x 100) + (5 x 10) + (9 x 1). Decimals can also be written in expanded form. Expanded form is a way to write numbers by showing the value of each digit. This is shown in the example below. Example 4: Write each decimal in expanded form.
To represent a negative number as a literal, prepend a minus sign (-) to the literal, as in -45. If you need to use a literal integer with octal numbering, prepend a 0 to the number. For example, the octal number 777 would be the literal 0777. Hexadecimal integers are used as literals by prepending the number with 0x, as in 0x12 or 0xFF. NOTE. Octal and hexadecimal numbering systems are convenient for many advanced programming uses, but unlikely to be needed by beginners.