PLS HELP DUE NOW What is the pH of each solution?

[H3O+] = 4.78 x 10-2 M
and
pOH = 4.56

The image shows a process that releases nuclear energy which statement best identifies the process shown the process must be fusion because energy is released the process must be fusion because of have your nucleus formed a smaller nuclei the process must be fission because a large nucleus breaks into smaller nuclei the process must be fission because neutrons are formed

Joan writes four numbers on the board in standard form, and then she writes their scientific notation

How many moles of bromine are needed to produce 3.23 moles of potassium bromide