3 significant figures. (The zero after the 5 doesn't count.) 4 significant figures if the zero after the 5 does count. A good way of expressing three thousand four hundred fifty with three, four, or five significant figures is with scientific notation: 3.45 * 103 3.450 * 103 3.4500 * 103
The number 1.84 x 103 has three significant figures, 1.84. The 103 part of the number does not count when determining significant figures.
5 of them.
0.0874
25.75
1.0*103
5 significant figures Each figure that contributes to the accuracy of a value is considered significant. So 2.9979 has 5 significant figures. The 10^8 does not contribute to the accuracy as it simply indicates the number of trailing zeroes (i.e. 299,790,000) that are simply a result of rounding from the actual value (299,792,458)
3633 = 3.6*103
4 significant figures in 4400. A digit within a number is considered significant if: 1. it is a non-zero OR 2. It is a zero that is between two significant figures OR 3. It is a zero at the end of the number To express four thousand four hundred with two significant figures use scientific notation: 4.4 * 103
0.0097
Three: 3, 9 and 0.
Well, honey, in 0.0103, there are three significant figures. The zeros at the beginning are just placeholders, so they don't count. So, you're left with the 1, the 0, and the 3 strutting their stuff as the significant figures in this number.