This episode proceeds our conversation on the Basics that Digitizing Data. In bespeak to understand how computer systems work, first, you need to go back to your straightforward math. Let’s talk about the symbols we usage to stand for quantities. This episode is a rapid overview of our counting system and Base-10 number is numbered system.
You are watching: What is a symbol used to represent a number
Your an essential takeaways are:Numbers and also digits are the symbols provided to stand for a quantityDigits room the number 0 come 9The Decimal Number device is based upon the quantities of 10Base-10 is expressed as 10 come the strength of a aspect of X
How do we represent the number of items?
Numbers space symbols which stand for a counting or quantity. We space putting emphasis on “symbol” and “representation.” Humankind created “numbers” together a kind of global language.
Early amount Identification
In the Decimal Number System, we use the symbols: 9, 8, 7, 6, 5, 4, 3, 2, 1, 0.
These icons are referred to as digits.
See more: Goldilocks And The Three Bears Problem And Solution, The Three Bears' Problem, And Solutions
Per the Merriam-Webster dictionary, a number is a noun the means:a written symbol for any type of of the number 0 to 9a finger or toe
Symbol to stand for Quantity
What is the digit pattern?
You can break this down right into patterns:How numerous times execute you counting 10 on your fingers? 2 times, or 2 counts the 10 clocks.What is remaining? over there is 1 clock remaining.Now let’s formulate a mathematics expression.2 counts the 10 is the very same as 2 x 10.1 remaining is the same as 1 x 1.We have a certain variety of items. Below these items room clocks.We desire to identify the quantity of clocks by counting them.Show exactly how a decimal number is a symbol provided to stand for the quantity of something. Here, the symbols room clocks.Then, we begin breaking the down right into positional notation.Convert that right into base-10.If we have 2 x 10 then we can say that there are 2 tens.Using Base-10, “tens” is represented by 10 come the power of 1, together that equals 10.Therefore, we deserve to say 2 x 101 which equates to 20.If we have actually 1 x 1, then we have the right to say there are 1 ones.Using Base-10, “ones” is stood for by 10 to the strength of 0, together that equals 1.Therefore, we can say 1 x 100 which equates to 1.We just produced a symbol collection to represent 21 clocks.