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What is the correct answer to the following expression, taking significant figures into account? 12.34 + 0.022 - 1.001
- A 11.45
- B 11.36
- C 11. 21
- D 11
That's Correct!
It's Wrong!
When adding or subtracting numbers, the result should be rounded to the least number of decimal places in any of the numbers being used. In this case, 12.34 has two decimal places, 0.022 has three, and 1.001 has three. The least number of decimal places is two, so the answer should be rounded to two decimal places, giving 11.36.
