A baker me 5 pounds of the dough 8/9 of the dough to make sandwich rolls how much of the dough is left over

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

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.

Which one is the correct answer, and why?