Question

Why do we use addition of decimals in grocery store bill calculation​

Answer 1

Answer:

For calculation of total bill

Step-by-step explanation:

the decimal represent the parts which makes up the money. for eg. 1 unit of currency contains 100 sub-units which are represented after decimal point. these figures must also be summed for the final bill calculation.

Answer 2

Answer:

The same rule applies if there are decimals. Add them first, then units, then tens and so on. The most important rule to remember is to line up the decimal points in your calculation, ensuring that the decimal point in the answer also lines up with the decimal points above it...