2700
To change 3.20 into 2 significant figures, simply round it to 3.2. The zero after the 2 is removed as it is not significant when there are only 2 significant figures.
Five, two and five sig figs respectively.
2 significant figures: 5 and 6.
there are 2 significant figures in 21000 2 & 1 are the significant figures.
To round 12.555 km to four significant figures, you would keep the first four non-zero digits, which are 12.56 km since the next digit (5) is greater than 5.
88930371.007 to 2 significant figures is 89000000
Rounded to 2 significant figures it is 0.043
0.004560 to two significant figures results in: 0.0046
8468 rounded to 2 significant figures is 8500
0.000039 as you have to round it up. 3 and 8 are the significant figures but as you must round up, the answer becomes 0.000039.
0.26
0.067
5200
To change 3.20 into 2 significant figures, simply round it to 3.2. The zero after the 2 is removed as it is not significant when there are only 2 significant figures.
7000.
54000
To round 233.356 to 2 significant figures, you first identify the first two non-zero digits from the left, which are 2 and 3. The digit after the second significant figure is 3. Since 3 is greater than 5, you round up the last significant figure. Therefore, rounding 233.356 to 2 significant figures gives you 230.