30.3 cm
They can be 1230 or 0.0123
3 of them.
To determine which number has exactly three significant figures, you would need to evaluate the options provided. Significant figures include all non-zero digits, any zeros between significant digits, and trailing zeros in a decimal number. For example, 0.0456 has three significant figures, while 0.00456 only has three significant figures if we consider the non-zero digits and the zero between them. Please provide the specific numbers to evaluate.
How many significant figures are in 20.8
6040 has 3 significant figures.
30.5
No: 0.0451 has exactly 3 significant figures.
72.5 has exactly 3 sig figs.
They can be 1230 or 0.0123
72.5 has exactly three sig figs.
3 of them.
0.0451. 450 has two significant figures, 32.10 and 370.0 each have four.
3
All of them.
A, B and C.
3. But it is also not exactly wrong to say that there are 2 significant figures.
The number 0.0950 has 3 significant figures. Those are the 9, 5, and final 0. The first two zeros on the left, are not significant.