Answer:
=
Step-by-step explanation:
We have been given the expression;
7 times x to the two thirds power which can be written mathematically as;
To express the above expression as a radical, we need to recall that;
Therefore;
(7x)^{\frac{2}{3}}=\sqrt[3]{49x^{2} }
a) 6:5
b) 11:5
(Daisies: 11-6=5)