Four whole number taken at random are multiplied together. The chance that the last digit in the product is 1, 3, 7, or 9 is ?

 Four whole number taken at random are multiplied together. The chance that the last digit in the product is 1, 3, 7, or 9 is ?

A). 16/625

B). 1/210

C). 8/125

D). 4/25

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