Rounding example
Round 123.456 to 3 Significant Figures
123.456 rounded to 3 significant figures is 123 because the fourth significant digit is 4.
Question
123.456 to 3 significant figures
Answer
123.456 rounded to 3 significant figures is 123.
Step-by-step explanation
1
Keep the first three significant digits: 1, 2, and 3.
2
The next digit is 4, so do not round up.
3
The result is 123.