Let (an)n∈N and (bn)n∈N be two real sequences with limn→[infinity] an = α ∈ R and |bn − an| ≤ 2 −n r where r > 0. Show that (bn)n∈N converges to α

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Apool measures 12.3 feet by 16.6 feet. if the longer wall of the pool has a diagonal of 17.8 feet, what is the volume of the pool? (round to nearest tenth)

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?