Question 1093140

i am in year 7 and I really struggle with Algebra... at the moment we are doing patterns this one is so confusing

1, 5, 25, 125,----, -----, ------

I have to work out the rule...  please help..

thanks Tasman 
<pre>Rule: {{{highlight_green(matrix(1,3, a[n], "=", 5^(n - 1)))}}}, with n being the term number.
Now use this rule to find what you need: the 5th, 6th, and 7th terms.