Use a calculator to find the results of the following calculations and then round the answer to the correct number of significant figures. (a) 34.66 + 333.0 (b) 1.23 + 9.66 (c) 445 - 1.22 (d) 18.2 + 1.998 (e) 10.2 – 1.34 ( f) 100 - 23

Which factor is likely to impact the possible number of compounds? presence of unlimited number of elements in the periodic table the inability of atoms to align perfectly with other atoms the ability of all elements to react with every other element all elements being equally reactive