The measles virus measures 220 × 10 -9 meter.
What is this measurement in scientific notation?
0.22 x 10-6 meter
o 22 * 10 -8 meter
2.2 x 10-7 meter
0.000000220 meter

Which lines are parallel? justify your answer. lines p and q are parallel because same side interior angles are congruent. lines p and q are parallel because alternate exterior angles are congruent lines l and m are parallel because same side interior angles are supplementary lines l and m are parallel because alternate interior angles are supplementary.