Write 3.1818 as a fraction in simplest form.

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio

Me with these questions , i don’t understand scientific notation!