Question

Solve for R and S

Please explain

Answer 1

Answer:

r = 3 and s = 64

Step-by-step explanation:

$\left(\dfrac{4}{7}\right)^r=\dfrac{s}{343}\\\\\dfrac{4^r}{7^r}=\dfrac{s}{7^3}\to r=3\ and\ 4^r=s\\\\4^r=4^3=64\to  s=64$