15. Which of the following is NOT a rule in adding/subtracting decimals?
a. Express the decimal numbers in fractions first then add or subtract. b. Arrange the decimal numbers in a column such that the decimal points are aligned, then add or subtract as with the whole numbers.
c. Add or subtract only numbers of the same number of decimal places
d. Express the sum/difference in decimal form.
a. Express the decimal numbers in fractions first then add or subtract. b. Arrange the decimal numbers in a column such that the decimal points are aligned, then add or subtract as with the whole numbers.
c. Add or subtract only numbers of the same number of decimal places
d. Express the sum/difference in decimal form.
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◇Answer◇
C.Add or subtract only numbers of the same number of decimal places.
◇Step-by-step explanation◇
The explanation/example are in the picture.
If you have any questions or clarifications regarding my answer,don't hesitate to ask it.
-ANNE
Answer:
the answer is letter (B) po