Can you make expressions to make 100 using 9’s and operators?

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You have four 9’s and you may use any of the (+, -, /, *,.) as many times as you like.
Can you make an expression which gives a result of 100 by using four 9s and  any arithmetic operators?
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  • 1 Answer(s)
    (99/.99) = 100
    99 + (9/9) = 100
    ((9*9) + 9)/.9 = 100
    (9/.9) * (9/.9) = 100

    (99-9)/.9 = 100

    SherlockHolmes Expert Answered on 9th September 2015.
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