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There are 900 three-digit integers.

There are 900 three-digit integers. The number of three-digit integers having at least one repeated digit is also a three-digit
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2. asked by alex
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1.How many positive integers five-digit integers end with the digit 0? 9x10x10x10x? what number would represent zero2.Using the
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2. asked by John
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There are 900 three-digit integers. The number of three-digit integers having at least one repeated digit is also a three-digit
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2. asked by Kiki
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From the digits 1, 2, 3, and 4, how many positive integers are less than 100,000? Consider the possibilities for 5-digit,
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2. asked by Sebastian
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Find a three-digit positive integers such that the sum of all three digit is i4, the tens digit is two more than ones and if the
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2. asked by Maria Christina
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1.How many positive four-digit integers can be formed that are even?9x9x9x5=36452.Three differently colored six-sided dice are
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2. asked by John
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How many positive four-digit integers $N$ have the property that the three-digit number obtained by removing the leftmost digit
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2. asked by Lily
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How many different positive four-digit integers can be formed if the first digit must be 2, the last digit cannot be 0, and
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2. asked by Kyle
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What is the arithmetic mean of all of the positive two-digit integers with the property that the integer is equal to the sum of
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2. asked by Fiona
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how many positive four- digit integers have 3 as their tens digit and 5 or 9 as their ones digit?i don't know where to begin
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2. asked by jessica meyz
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