No: 0.0451 has exactly 3 significant figures.
38 cm
3. But it is also not exactly wrong to say that there are 2 significant figures.
There are two significant figures in 0.025.
there are 2 significant figures in 21000 2 & 1 are the significant figures.
It is 1300 rounded to 2 significant figures
2 significant figures.
There are 2 significant figures.
Exactly what you typed. 144.78 rounded to 2 decimal places is 144.78. You may mean significant figures, in which case it would be 1.4*10^3 (2 significant figures).
There are 4 significant figures in 0.0032. Seems to be only 2 significant figures in this number.
It is then 0.067 when rounded to 2 significant figures
Trailing zeros ALWAYS count as significant figures, so 700.0 would have 4 significant figures.
2 significant figures.