posted by kathryn on .
In a pattern, the # of colored tiles used in row x is 3 to the power of x. Find the number of tiles used in rows a, 5, & 6.
i don't get this problem & could use a little help, plz!
here is row 5
Number of tiles= 35= 3*3*3*3*3
or, you can be lazy and type this in the google search engine window