kingwinner Posted February 8, 2006 Report Share Posted February 8, 2006 1) Place the answer in proper amount of significant digits and unit: K = [6.63x10^(-34) J.s] (7.09x10^14 s) - [2.17 x 10^(-19) J] Note: J.s = Joule x sceonds Can someone help me with this question, please? I don't know how to write the answer with the proper amount of significant digits and unit..... I got: K=4.70x10^(-19) J.s^2 - 2.17x10^(-19) J Note: J.s^2 = Joule x seconds^2 They have different units, how can I subtract this and what are the final units? What would be the correct number of significant digits in the final answer? Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.