In terms of communication, information is expressed either as the content of a message or through direct or indirect observation. That which is perceived can be construed as a message in its own right, and in that sense, information is always conveyed as the content of a message.
Information can be encoded into various forms for transmission and interpretation (for example, information may be encoded into a sequence of signs, or transmitted via a signal). It can also be encrypted for safe storage and communication.
Sum of a finite geometric series=a(r^(n) -1)/(r -1) or sum of a finite geometric series=a(1 - r^(n))/(1 - r) the Smiths would spend a total of $2928.2 on clothing in 4 years
