Answer:
1. 16.9.
2. 33.20
3. 33
Explanation:
In the sum, significant figures are determined by the number with the lower number of decimal places.
In the multiplication, significant figures are equal to the significant figures of the number with the low amount of significant figures
1. 3.41 + 5.3 + 8.2010 = 16.9
2. 19.22 + 11.000 + 2.979 = 33.20
3. 2.222 * 3.33 * 4.4 = 33
