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A decimal number is simply a way of representing a number in such a way that the place value of each digit is ten times that of the digit to its right. The word decimal, with the prefix deci- refers to ten.
A Philippine mobile number consists of 11 digits. It typically starts with a three-digit prefix that identifies the mobile network, followed by an eight-digit subscriber number. The format usually appears as "09XXXXXXXXX," where "X" represents the subscriber number.
100000000*first digit+10000000*second digit+1000000*third digit+100000*fourth digit+10000*fifth digit+1000*sixth digit+100*seventh digit+10*eightth digit+1*nineth digit
I am a four digit number. My tens digit is 2 more than my ones digit. My hundreds and thousands digit are both 1 less than my ones digit. What number can i be?