In multiplication you use the lowest number of sig figs. if one number has 3 and the other has 5 the answer should be held to 3 digits. If one has a leading zero ( 0.123) the zero is ignored and the sig figs would be 3.
Added:
So the answer to the question "How many significant figures will there be in the answer to 223.4times7.5" is to be TWO in the answer of this multiplication (not 1675.5, not 1700, but 1.7*103)
There are 3 significant figures in 94.2.
4 significant figures.
3 significant figures.
3 significant figures.
5 significant figures.
How many significant figures are in the measurement 210 cm?
How many significant figures are in 20.8
There are 3 significant figures in 94.2.
4 significant figures.
There are four significant figures in 0.1111.
20.2 has three significant figures.
The significant figures in 0.000042500 are: 0.0000425. So, there are 8 significant figures.
There are four significant figures in .007001
The number 30.4 has THREE significant figures.
It has three significant figures.
6040 has 3 significant figures.
How many significant figures are in 13001kg