Question

how to round off 311.299254 to 4 significant figures (with steps)

Answer 1

Answer:

Your answer cannot be MORE precise than the least precise measurement. For addition and subtraction, look at the decimal portion (i.e., to the right of the decimal point) of the numbers ONLY. Here is what to do: 1) Count the number of significant figures in the decimal portion of each number in the problem.

Your answer should like this(311.3)

Answer 2

Round Off=311.0

Explanation:

Because 9 is greater than 5

and first four significant figures are 311.2