The sum is given as 27.258 +40.13 = 67.39
What is significant figures?
The term significant figures refers to the number of nonzero values in a digit. It refers to the number of figures that we could assign a place value in a given measurement.
We can see that in the number 27.258, there are five significant figures while in the number 40.13 there are four significant figures. This means that the result ought to have four significant figures.
We have the sum; 27.258 +40.13 = 67.39. This is the result because the number of significant figures must correspond to the least number of significant figures in the sum.
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