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.
#3
6 x 4 - 4
First multiply 6 x 4
24 - 4
———
5
Subtract the top
20
—
5
Then divide it
Answer:
5040
Step-by-step explanation:
You get this number by using the mathematical process of factorials.
Since <em>history </em>has seven words, we will solve seven factorial.
7! = 5040
3xy+x=-29
-3xy -3xy
x= -3xy-29
Answer:
after two months because
40 + 10 + 10 = 60
AND
30 + 15 + 15 = 60
Step-by-step explanation:
