The answer is 5663588 for your question
1. 864 mm^3
2.1640 cm^3
3. 4.0 cm
4. 150pi ft^3
What is 0.00340.78 correct to 3 significant figures?
a significant fugure is when the number lean solething ,so its can anyone except 0
so if we are reducing 0.00340.78 to 3 significant number
first we have to look for the significant nulber ,which are 3,4,7,8
so the answer can be 0.0034.7
hopefully this helps