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Earn +20 ptsQ: How many three digit numbers contain no 7's?
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Continue Learning about Algebra
When The pages of a book are numbered from 1 to 128 How many page numbers contain the digit 6?
The pages of a book are numbered from 1 to 128. How many page numbers contain the digit 6?
How many three digit even numbers are possible if the left digit cannot be zero?
450
How many three digit counting numbers are not multiples of 2?
There are 450 of them.
How many three digit numbers are there such whose digits sum is odd?
450.
How many three-digit numbers can I make on a abacus from 25 beads?
25=20,21,23
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