# How to know which number system?

It must be at least base 9 because of the 8 in the final number.Let r be the radix. ("b" for "base is already taken.) That makes c = r+2, 2c = 2r+4(2c)Â² = 4rÂ² + 16r + 16But the final number is:8... Read More »

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## What is the best virtual phone system, 800 number and fax?

i don't know what the best system is, but two that I have used and that work well are http://www.virtualpbx.com and http://www.ringcentral.com

## Does the babylonian number system have a way of representing place value?

The Babylonian numbering system, which dates back prior to 2000 B.C., did not originally have a placeholder. Around 1000 B.C. the Babylonians used an empty space to represent zero up until the four... Read More »

## How to Solve Equations in the Real Number System?

Occasionally, in your study of algebra and higher-level math, you will come across equations with unreal solutions --- for instance, solutions containing the number i, which is equal to sqrt(-1). I... Read More »
http://www.ehow.com/how_8252240_solve-equations-real-number-system.html

## How do you change extension number on a NEC Phone System?

Read your NEC phone system's user manual/guide.

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