It is 92000.
62.99685 rounded to 4 significant figures is 63.00
The correct representation when the number 0.007225 is rounded off to three significant figures is 0.00722
When the value 4,449 is rounded to two significant figures the number should be reported as 4,400
A number with only 1 significant figure can't be rounded to 3 significant figures
The number 10.989 rounded to 3 significant figures is 11.0
It is not possible to answer the question without information about the number of significant figures required.
That depends on how many significant figures you are talking about.If three significant figures then 700 is the largest that rounds to 700.If four significant figures are to be rounded to three significant figures then 700.4If five significant figures are to be rounded to three significant figures then 700.49If six significant figures are to be rounded to three significant figures then 700.499etc.
When performing mathematical operations with significant figures, the result should be rounded to the least number of decimal places in the original numbers. Addition and subtraction should be rounded to the least number of decimal places, while multiplication and division should be rounded to the least number of significant figures.
72 is 72.2 rounded to two significant figures.
2049.99... (recurring) and 1950
1050 contains 4 significant digits and cannot be rounded to two significant figures without changing the value of the number.
4000 has between 1 and 4 significant figures: if it is a rounded number, then it could have been 3999.9, for example, which would be rounded to 4000 to 1, 2, 3 or 4 significant figures.