If ASTU ~ AXYZ, which statements must be true?
Check all that apply.

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

Acertain volume of water contains 100000 hydrogen atoms and 50,000 oxygen atoms how many hydrogen atoms are in a volume of water containing 4 million oxygen atoms

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