Answer:
C
Step-by-step explanation:
If the number's a fraction, which this one is, the denominator will always be that little number by the radical, and the whole number will be in the root. Hope this helps!
the denominator of the index will be the root of 7. while the numerator of the index becomes the new index of 7
3√7^1
any number raised to the power of one is the same number
3√7
