in hydrogen spectrum an electron makes a transition from the third excitation level to the first excitation level calculate the wavelength of the emitted radiation​

You are given the following information about aggregate demand at the existing price level for an economy: (1) consumption = $400 billion, (2) investment = $40 billion, (3) government purchases = $90 billion, and (4) net export = $25 billion. if the full-employment level of gdp for this economy is $600 billion, then what combination of actions would be most consistent with closing the gdp gap here?

Ryan terlecki organized a new internet company, capuniverse, inc. the company specializes in baseball-type caps with logos printed on them. ryan, who is never without a cap, believes that his target market is college and high school students. you have been hired to record the transactions occurring in the first two weeks of operations.

Which of the following best explains why online retail companies have an advantage over regular stores? a. their employees make less money because they mostly perform unskilled tasks. b. they are able to keep distribution costs low by negotiating deals with shipping companies. c. their transactions require expensive state-of-the-art technological devices. d. they have a larger number of potential customers because people anywhere can buy from them.