Correct Answer:
B. 0.3333
The correct answer is 0.3333.
- To find the sum of these decimal numbers, align them by their decimal points and add them column by column, starting from the rightmost digit.
- 0.3
- 0.03
- 0.003
- 0.0003
- When added vertically, the sum is 0.3333.
- The other options represent incorrect sums due to misaligned decimal points or calculation errors. For example, 3.30003, 3.30303, and 3.00333 are significantly larger and incorrectly combine the digits.
This is a fundamental arithmetic operation involving decimal numbers.