Significant Figures in Mathematical Calculation

How many significant figures are there in the number 270000?

Is it 2 significant figures or 3 significant figures?

Answer:

The number 270000 has 2 significant figures.

Significant figures are important in mathematical calculations as they indicate the precision of the number. In the case of the number 270000, the significant figures are determined by counting all the digits that are not zero. In this case, there are two significant figures: 2 and 7.