Perform the following operation and express the answer in scientific notation. 1.26x104 + 2.50x104 [?]x10​

What is lincoln's purpose in writing this speech? question 1 options: to stress the difficulties of war to honor those who died in the war to call for an end to the war to call the country to join a new war

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both