Calculate.
(2.2 x 10°) + (3.5 10)
Write your answer in scientific notation.

In the past, professional baseball was played at the astrodome in houston, texas. the astrodome has a maximum height of 63.4 m. the height of a baseball t seconds after it is hit straight up in the air with a velocity of 45 ft/s is given by h = -9.8t2 + 45t + 1. will a baseball hit straight up with this velocity hit the roof of the astrodome? use the discriminant to explain your answer.

2x - 20 = 32 20 - 3x = 8 6x - 8 = 16 -13 - 3x = -10

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