It is 66.
204*1.750 = 357.000 Using significant figures this goes to 357, so your final answer would be 357 in2.
4 significant figures.
There are 4 significant figures in 0.0032. Seems to be only 2 significant figures in this number.
There are 3 significant figures in 94.2.
3 significant figures.
4487 has four significant figures.
101330 has 6 significant figures.
There are four significant figures in 0.005120.
0.0375 has three significant figures.
There are four significant figures in 0.1111.
5 significant figures.
There are two significant figures in 0.025.