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What is the result of the following calculation, rounded to the correct number of significant figures? 25.8 - 13.57 + 6.903
- A 19.1
- B 19.21
- C 19.32
- D 20
That's Correct!
It's Wrong!
In addition and subtraction with significant figures, the final result should be rounded to the least number of decimal places in any of the numbers involved. Here, 25.8 has one decimal place, 13.57 has two, and 6.903 has three. Therefore, the answer should be rounded to one decimal place, giving us 19.1.
