What is 221,000,000,000,000,000,000 expressed in scientific notation? 2.21 × 1021
2.21E20
2.21E21
2.21E-20
2.21 × 10-21
2.21 × 10-20
2.21 × 1020
2.21E-21

The table respent two linear functions the equation respented by the first tables is given

What is the domain and range of each function 1. x (3, 5, 7, 8, 11) y ( 6, 7, 7, 9, 14) 2. x (-3, -1, 2, 5, 7) y (9, 5, 4, -5, -7)

Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?