The number 0.115 is already expressed in decimal form. It represents the value of one hundred fifteen thousandths, where the digit 1 is in the tenths place, the digit 1 is in the hundredths place, and the digit 5 is in the thousandths place. If you are looking for a different representation, it can also be expressed as 115/1000 in fractional form.
.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.
.05
It is 0.46
0.10
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
7.00
Write them one above the other with the decimal points aligned.
You write them, one below the other, with their decimal points aligned.