How many significant figures in 1.40082?

Answer 1

There are 6 significant figures in the number 1.40082.

1) All non-zero numbers are always significant.

2) All zeros between non-zero numbers are always significant.

3) All zeros which are to the right of the decimal point and at the end of the number are always significant.

4) All zeros which are to the left of a written decimal point and are in between a number are always significant.