What is 1 A.U.?

If U= {a, e, i, o,u}, A= {a, e, i}, B= {e, o, u}, C = (a, i, u}, then: What is A uu U?

If U= {a, e, i, o,u}, A= {a, e, i}, B= {e, o, u}, C = (a, i, u}, then: What is A nn U?

What is a.m.u ?

How many astronomical units (A.U.) make 1 parsec?

Mars has approximately half of the earth's diameter. When it is closest to the earth it is at abot 1/2 A.U. from the earth. Calculate what size it will appear when seen through the same telescope.

What is the molecular mass of HNO_3 . ( Atomic masses, H=1u,N=14u,0=16u)

If U= {a, e, i, o,u}, A= {a, e, i}, B= {e, o, u}, C = (a, i, u}, then: What is A uu phi ?

If U= {a, e, i, o,u}, A= {a, e, i}, B= {e, o, u}, C = (a, i, u}, then: What is A nn phi ?

What is the difference between Angstrom and A. U.?

What does a.m.u. represent ?