My 4

My 4-digit number is a palindrome; it has a remainder of 21 when you divide it by 100. what is my number? A palindrome is a number that does not change if you write it backward.

Final Answer:

x =  1221

Step-by-step explanation:

x/100 = R+21/100 ABBA  = XY 100+21 A=1 B=2  x = ABBA x=1221



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