SOLUTION: I can't figure out how to use the law of exponents to simplify: 4.2 ^7/4divided by 4.2^6/7

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Question 329224: I can't figure out how to use the law of exponents to simplify:
4.2 ^7/4divided by 4.2^6/7
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Is the exponent 6 ? or 6/7 ?
Parentheses are free.