There are two types of significant figures, measured and exact. Numbers are often rounded to avoid reporting insignificant figures. Numbers can also be rounded merely for simplicity rather than to indicate a given precision of measurement.
There are 5 significant figures in 70700 as the zeros are between and after the numbers.
5 significant figures.
4 significant figures.
5 significant figures.
There are two types of significant figures, measured and exact. Numbers are often rounded to avoid reporting insignificant figures. Numbers can also be rounded merely for simplicity rather than to indicate a given precision of measurement.
The answer will usually depend on the number of significant figures in the numbers from which there numbers were derived.
The least number of significant figures in any number of the problem determines the number of significant figures in the answer.
231.57 has five significant figures/numbers. All the numbers in 231.57 are significant.
There are 5 significant figures in 70700 as the zeros are between and after the numbers.
3 significant figures.
It has five significant figures.
7 significant figures.
3 significant figures.
There are 5 significant figures.
Two significant figures.
Four significant figures.