How many significant figures are in 9.090?

Answer 1

If the zeros are significant figures then 900 is correct to 3 significant figures.

If rounding off has occurred then the answer could be 1 sf or 2sf.

For example : If the original number was 903 and rounding off to the nearest ten was required then 900 is correct to 2 significant figures.

If the number was 927 and rounding off to the nearest hundred was required then 900 is correct to 1 significant figure.

Answer 2

90.0 has three significant figures. A significant figure is any non-zero digit or any embedded or trailing zero. Leading zeros are not significant.

Answer 3

There are 3 sig-figs in 90.4. The rule is any Zero between integers is counted as a significant figure.

Answer 4

9010.0 has five significant figures.

Answer 5

0.900 has 3 significant figures.

Answer 6

Three of them.

Answer 7

5

Answer 8

five

Answer 9

4 of them.

Answer 10

4