Answer
12.08 There are 4 significant figures and there are 2 decimals
Step-by-step explanation
9.3478 +2.73 = 12.08
Addition of the given number considering significant figures
Solution:
The given mathematical operation is performed below and the answer is reported to the appropriate number of significant figures - 12.08
As given here, 2.73 is to be added to 9.3478.
2.73 has three significant figures while 9.3478 has five significant figures.
Addition will give 12.0778.
As per the rules of the addition of significant figures, the result will have the decimal places equal to the lowest one out of the given numbers.
Hence, the decimal places in this result should be two.
So, we will round off. As there is 7 in third place, the answer will be 12.08.