Brazil and France both want to gain profits by engaging in international trade. The climatic conditions in Brazil are perfect for cultivating coffee. Climatic conditions in France are not that suitable for cultivating coffee. France climate can support wheat cultivation. Which of these sentences are true with respect to the concept of comparative advantage?

What is the largest decimal number that can be represented by a binary number with 4 place values? (remember, each place in a binary number has a value of a power of 2, starting in the ones place with 20.)

Least square fit to polynomial write a function leastsquarefit3pol that solves a linear system of equations to find a least squares fit of a third order polynomial to an experimental data set given as two row arrays. the function leastsquarefit3pol must explicitly solve a set of linear equations and cannot use polyfit. there should be no restriction on the size of the problem that can be solved.

Match the items with their respective descriptions.