What is the sum of 0.45, 52.12, 4.1111, 206, and 0.00029?

To find the sum of the numbers 0.45, 52.12, 4.1111, 206, and 0.00029, each number needs to be aligned according to its decimal point before being added.

Starting from the left, you would add:

1. Starting with 0.45, we can think of it as 0.45000 to make adding easier.

2. Next, adding 52.12 can be rewritten as 52.12000.

3. Then, 4.1111 is treated as 4.11110 for alignment.

4. The number 206 can be expressed as 206.00000.

5. Lastly, 0.00029 remains as it is.

Aligning them allows you to add them systematically:

0.45000

+ 52.12000

+  4.11110

+206.00000

+  0.00029

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Now, adding from the rightmost side, we handle the decimal places one column at a time starting from the right.

1. For the thousandths place, 0 + 0 + 0 + 0 + 0.