Question

What does annex zeros to align place values mean?

Answer 1

The correct answer is:

When you "annex" something, you add it to something else.

If you annex zeros, you are sticking zeros onto a number.

Generally this is done when adding or subtracting decimals. When performing these two operations on decimals, we must have the decimal point lined up. This is sometimes easier to do if all of the numbers have the same number of digits; if there are digits missing after the decimal, we can add zeros to the end and not change the value of the number. Then the number of digits will be the same and the decimals will be aligned.

Answer 2

If we "annex" we have to add something, and whenever we annex zeros  we just stick on number zero to another number.

In addition or subtraction decimals, this is usually done.

The decimal number must be aligned properly when executing these 2 functions on digits. Whether there are numbers missing just after decimal, we may add zeros towards the end and not affect the numerical value.

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