Answer:
im sorry- I THINK it might be B tho-
Step-by-step explanation:
so yeah-
Answer is
= 1.24*5+1.1*2.20+4.5*0.68
= <u>11.68</u>
1 joule = 6,242e+18ev
20 joule = 20 joule *6,242e+18 ev/joule =1,248e+20 ev
1,248e+20 ev / (10 ev / photon) =1,248e+19 photons.
Answer:
Choice D for Angle R
70 degrees for Angle P
Step-by-step explanation:
Google "central angles and inscribed angles geometry" for an explanation.
It's actually a poorly worded question.
