The important thing to remember when
adding or subtracting decimals in a vertical column
is to keep the decimals points in a column one directly
under another. For example
the following is incorrect
Lets use a whole number example to clarify the
importance of placing digits in the proper place.
If you borrowed American dollars $150.00 from a friend and then
borrowed an additional $12.00 and your friend adds them
together in the following manner
friend sincerely believes that you owe her $270.
Would you complain or pay up? Why? answer
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