9009, 9119, 9229, 9339, 9449, 9559, 9669, 9779, 9889,9999
10000
700000 + 10000 + 9000 + 300 + 40 + 3
9500 It is 500 more than 9,000 and 500 less than 10,000 To find the halfway point (the average), add the two numbers and divide by 2.
Any number between 7500 and 8500.
there are 10 palindromic numbers between 9000 and 10000 9009,9119,9229,9339,9449,9559,9669,9779,9889,9999!!!
9009, 9119, 9229, 9339, 9449, 9559, 9669, 9779, 9889,9999
9000 to the nearest thousand, 10000 to the nearest ten thousands and 0 to the nearest million.
9000 integers.
10000
10000
There are 9000 such numbers and I have neither the time nor inclination to list them. Just pick any non-zero number, A. Pick any three numbers B, C and D. Then the number written as ABCDCBA is a 7 digit palindrome.
2000
9000
In base ten, there are 9000 four digit number, the numbers are from 1000 to 9999. If you allow leading zeros, then there are 10000 numbers. [0000 - 9999]
10000
10,000 ten thousand