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Let me first re-phrase your question: What is the number of (positive) integers less than 10000 (5 digits) and greater than 999 (3 digits)?
The greatest 4 digit integer would be 9999.
The greatest 3 digit integer would be 999.
Let's do some subtraction: 9999 - 999 = 9000
This works because as we count up from 999, each positive integer encountered satisfies your requirements until reaching 10000.
What else can I help you with?
What is the lowest 4 digit numbers?
The lowest positive 4-digit number is 1000
How many 2-digit positive integers are there such that product of their two digit is 24?
-22
How many four digit positive integers are there with thousands digit 2?
There are one thousand. Starting at 2000 and going to 2999
How many odd 2-digit positive integers less than 50 are there?
-48
How many four digit whole numbers are there such that the thousand digit is odd the hundreds digit is even and all four digits are different?
5*5*4*4 = 400
How many positive two-digit integers is the ones digit greater than twice the tens digit?
4
How many 2 digit positive integers are divisible by 4?
22 of them.
What is the smallest positive 4 digit multiple of 17?
The smallest, positive 4-digit multiple of 17 is 1,003.
What is the lowest 4 digit numbers?
The lowest positive 4-digit number is 1000
How many 4-digit positive integers are there?
from 1000 to 9999, ie 9999 - 999 = 9000
How many 3 digit positive numbers are there without 2 4 and 6?
There are 294 such numbers.
What is the lowest four digit-number?
The lowest 4 digit number is -9999. The lowest 4 digit POSITIVE number is 1000.
How may two digit-numbers contain the digit 4?
18 positive integers and 36 integers (negative and positive)
How many 4-digit positive even numbers are there?
4,000 even numbers, 4,000 odd numbers.
How many positive four digit numbers have 3 as their first digit and 4 or 5 as their third digit?
possibly than 20, 3040 3041 etc 3050 3051 etc
How many positive four digit numbers have 7 as their second digit and 8 as their last digit?
90
How many 2-digit positive integers are there such that product of their two digit is 24?
-22
