.05
0.1 points.
Write the numbers in a column so that all the decimal points are one below the other. Put a decimal point in the answers underneath the coumn of decimal points. Then add the numbers ignoring the decimal points.
It is 0.01 cent.
There should be no points after the decimal point.
It is 0.46
0.10
.05
Forty cent as decimal
0.1 points.
Write the numbers in a column so that all the decimal points are one below the other. Put a decimal point in the answers underneath the coumn of decimal points. Then add the numbers ignoring the decimal points.
It is 0.01 cent.
It is had to tell with a number containing two decimal points.
10^-1 = 0.1
Write them one above the other with the decimal points aligned.
An answer is not possible because a number cannot have two decimal points.
You write them, one below the other, with their decimal points aligned.