Question

If a number with two places to the right of the decimal place is added to a number with three places to the right of thedecimal place then the answer should be reported as having how many numbers to the right of the decimal place

Answer 1

Let the number with two places to the right of the decimal place be represented as 20.45 and the number with three places to the right of the decimal place be 20.456

Required:

When we add the two numbers, how many numbers to the right of the decimal place is it going to have?

We can know this by adding the two fictitious numbers:

`20.45\text{ + 20.456 = 40.906}`

Here we can see that