Please help me this question from calculus 3 also please write the numbers each question answers

1. [-/3 Points] DETAILS SCALCET9 12.4.005. Find the cross product a x b. a = + K , b = i + 2j - 3k 6 Verify that it is orthogonal to both a and b. (a x b) . a = (a x b) . b =\f5. [0/1 Points] DETAILS PREVIOUS ANSWERS SCALCET9 12.4.033. Find the volume of the parallelepiped determined by the vectors a, b, and c. a = (1, 3, 2), b = (-1, 1, 5), c = (3, 1, 3) 56 x cubic units Submit