18. Give the answer is scientific notation. You may use a calculator, (3.12 x 103) (5.16 x 10-6)
(1.06 x 106)
0 1.71 x 103
A.1.52 108
B.1.71 x 10-4
C.1.52 x 10 3
D.1.71 x 10 3

Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem