How many terms of the series the summation from n equals 1 to infinity of the quotient of negative 2 raised to the nth power and n factorial do we need to add in order to find the sum with an absolute value of its error to be less than 0.01?

Sandy is upgrading her internet service. fast internet charges $20 for installation and $52.45 per month. quick internet has free installation but charges $57.45 per month. part 1 out of 2 complete the equation that can be used to find the number of months after which the internet service would cost the same. use the variable x to represent the number of months of internet service purchased.