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How am any zeros are in the simplified expression 4 times 10^ x? A. x B. x -1 C. x+1. D. 4x. Which One is it?A or B or C or D? please help

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it's probably A because the fact that it is multiplied by 4 wouldn't change the number of zeros, and 10 to the 3rd power would be 1000 (if you include the X4 in this example it would be 4000).
User Veelkoov
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