Witch phrase best defines a a square? a). a parallelogram with four congruent angles b). a rectangle with four congruent sides c). a quadrilateral with exactly one pair of parallel sides d). a quadrilateral with no congruent sides

One astronomical unit (1 au) is about 1.496 alt tag missing. kilometers. if you wrote this number of kilometers in regular decimal notation (for example, 528 and 3,459 are written in regular decimal notation), how many zeros would your number have?