Press and hold your finger in the body of the email until options come up to Copy, Select All or Define
If area you wish to copy is already highlighted, then choose Copy
If you wish to copy entire email, choose Select All
If you wish a different partial area, highlight the area you wish to copy, then choose Copy
Open the note you wish to paste to or select the + sign to start a new note
Press and hold your finger in the body of the note until the Paste option shows
You are done.