Express 166 billion in standard form

Refer to interactive solution 17.45 to review a method by which this problem can be solved. the fundamental frequencies of two air columns are the same. column a is open at both ends, while column b is open at only one end. the length of column a is 0.504 m. what is the length of column b?

Which of the following expressions is equal to 2x^2+8

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?