Add a decimal point in the answer space. Image caption, Start at the right, the column with the least place value (tenths in this example). Subtract the bottom digit (1) from the top digit (6).

For example, a thousand is 10 hundreds ... he divided measurements into ten parts and noted those parts with a decimal point.

In decimal arithmetic, the decimal point is always implied between the hundreds and tens columns. However, in floating point arithmetic, the "radix point" is said to float because its location is ...