Will give anyone the branliest answer if you me simplify b and c

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

Write the equations in logarithmic form 7^3=343

What is the answer to this equation? and if you can, find a way to show your work.