Subtraction of decimals can be used to work out how much change is needed. For example, if an item worth £17.75 is bought with a £20 note, subtraction is used to find the change required. 20 ...

Nature - Femcifrede Logaritmer og Antilogaritmer (2) Addition-Subtraction Logarithms to Five Decimal Places Skip to main content Thank you for visiting nature.com.