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How many numbers between 1 and 1000 have the digit 7?
91 * * * * * That is clearly a nonsense answer. There are at least 100 between 700 and 799! The correct answer is 271.
How many prime numbers is there between 1 and 1000?
There are 168 prime numbers between 1 & 1000.
How many whole numbers can be rounded to 20000?
1000 numbers. From 19,500 to 20,499 all round to 20,000
What is least 4 digit number?
-9999. Or, if only positive numbers are being considered, then, 1000.
The difference of two 4 digit numbers is 5639 what is the numbers?
Let's represent the two 4-digit numbers as ABCD and WXYZ, where A, B, C, D, W, X, Y, and Z are digits. The difference between the two numbers is 5639, so we can write the equation as 1000A + 100B + 10C + D - (1000W + 100X + 10Y + Z) = 5639. Simplifying this equation, we get 1000(A-W) + 100(B-X) + 10(C-Y) + (D-Z) = 5639. Since the difference between the two numbers is 5639, and the numbers are 4-digit numbers, we can conclude that the numbers are 8194 and 2555.
