Arithmetic Series/Geo Sequence

Last updated over 4 years ago
3 questions
1

Find the sum of the first 21 terms. (-11) + (-7) + (-3) + ...

1

Find the sum of the series 5 + 9 + 13 + ... + 201

1

Fill in the missing terms of the geometric sequence ____, ____, 3, ____, _____, 375 using the equation: