A palindrome is a number which is the same if its digits are reversed, e. g., 77, 232, 1331. The digit 0 is not used at the beginning or end of a palindrome, but can be used in the middle, e. g., 0110 is not allowed, but 1001, 303 are. The nine single-digit numbers 1, 2, 3, . . . , 9 are the simplest palindromes. Similarly, there are nine 2-digit palindromes, 11, 22, 33, . . . , 99. How many 3-digit palindromes are there?

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There are 90 palindromic numbers with three digits

lk; kjuiihijhniuhn

step-by-step explanation:

answer: on graphs, the open and closed circles, or vertical asymptotes drawn as dashed lines us identify discontinuities.

as before, graphs and tables allow us to estimate at best.

when working with formulas, getting zero in the denominator indicates a point of discontinuity.

when working with piecewise-defined functions, check for discontinuities at the transition points where one piece ends and the next begins.

step-by-step explanation: