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algebra

simplify the following radical expression : 4 sqrt (625)

a) 25
b) sqrt (25)
c) 5
d) no solution exists

i think a

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  1. umm... "A" would not be the correct answer. Don't forget the 4. It is not a square root.

    4sqrt(625) means what number, when raise to the power of 4, would equal to 625?

    Other word, x^4=625 and what's x?

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  2. the correct answer is c

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  3. Is this what you mean?

    4√625 = 4 (25) = 100

    It doesn't fit any of the choices.

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