In the expression 3.4567 + 2.1, how many significant figures does the result have?
Practice Questions
1 question
Q1
In the expression 3.4567 + 2.1, how many significant figures does the result have?
4
3
5
2
The result of 3.4567 + 2.1 is 5.5567. However, since 2.1 has only 2 significant figures after the decimal, the result should be rounded to 5.6, which has 3 significant figures.
Questions & Step-by-step Solutions
1 item
Q
Q: In the expression 3.4567 + 2.1, how many significant figures does the result have?
Solution: The result of 3.4567 + 2.1 is 5.5567. However, since 2.1 has only 2 significant figures after the decimal, the result should be rounded to 5.6, which has 3 significant figures.
