Answer:
![\sqrt[4]{x^{7} }](https://tex.z-dn.net/?f=%5Csqrt%5B4%5D%7Bx%5E%7B7%7D%20%7D)
Step-by-step explanation:
this is the same concept basically as simplifying
into
. You can see that the denominator is in front of the radical and that any numbers in the numerator are the power of the number underneath.
Since there are 100p meters in a kilometer you divide 10500 by 1000 and you get 10.5 km