Perform the following mathematical operation, and
report the answer to the correct
number of significant figures.
3.22 x 0.17 = [?]

0.5474

Explanation:

3.22 x 0.17

     \/

322 x 17 = 5,474

[] There are four places "after" the decimal in 3.22 and 0.17 combined, meaning we move the decimal to the right four times in our current answer

-> 5,474 becomes 0.5474

Have a nice day!

     I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)

- Heather

i believe you are right for all except the 3rd ( look at sqdancefan his answer is much better)