2 divided to 28 with remainder

Complete each sentence with the correct form of the verb ser or estar to say where the following people are from or where they are right now claudia y maria en méxico

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

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)