Arrange Four 9's

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?




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I have one of the three numbers: 1, 2, or 3 in my mind. I speak only truth. You can ask me just one question for which I will only reply in yes or no or don't know. What question will you ask from me so that you are able to know the number?

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