Four significant figures. Review you rules for significant figures. Some chemistry teachers, especially at the college level, are very concerned with significant figures.
There are 2 significant figures in this number.
4 significant figures
4
2 of them.
2 of them.
1 of them.
One and it is 7
There are 6 significant figures in 31.6901. If a number contains all non - zero digits before & after decimal then all digits are significant .
1.060 contains 4 sig figs.
3 significant figures.
The number 2.5 million is written in figures as 2500000 - and therefore contains five zeroes.
4 - significant figures are counted from the right of the first 0 in a decimal, or from the beginning of the number otherwise. All the following digits are counted. So here the significant figures start at the beginning of the number and are 2, 2, 1 and 5, but for example in the number 0.0007805, the significant figures are 7, 8, 0 and 5.