Search All of the Math Forum:
Views expressed in these public forums are not endorsed by
NCTM or The Math Forum.
|
|
Virgil
Posts:
8,833
Registered:
1/6/11
|
|
Re: 2506=2*10^3+5*10^2+0*10+6^1*10^0
Posted:
Oct 29, 2013 4:00 PM
|
|
In article <19afd53e-b219-4480-a630-d534b39b5416@googlegroups.com>,
jonas.thornvall@gmail.com wrote:
> Den tisdagen den 29:e oktober 2013 kl. 20:16:53 UTC+1 skrev
> jonas.t...@gmail.com:
> > 2506=2*10^3+5*10^2+0*10+6^1*10^0
> >
The above is sometimes called a "base 10 expansion" or "decimal
expansion".
And while there are comparable binary, octal and hexadecimal expansions,
particulatlry in computer technology, the expansions below are of quite
a different type, and have no name that I am aware of.
> >
> > Is there a name for when you write out a number as the right side
> > expression?
>
> If so there must be a name for when you write out expression like.
> Exp=x^2
> 7777777777= 88191 353 26 3 +2 = 88191^2+ 353^2+ 26^2+ 3^2 +2
> Exp=x^3
> 7777777777= 1981 153 33 10 4 3 3 +4=1981^3+ 153^3+ 33^3+ 10^3+ 4^3+ 3^3+ 3^3
> +4
> Exp=x^4
> 7777777777= 296 100 33 12 9 5 4 3 3 2 2 2 +12 =296^4+ 100^4+ 33^4+ 12^4+ 9^4+
> 5^4+ 4^4+ 3^4+ 3^4+ 2^4+ 2^4+ 2^4 +12
>
> Or maybe there simply isn't so what should i call these forms?
--
|
|
|
|
