Question

By what number should (7/4)^-3 to be divided so that the quotient becomes 64

Answer 1

Answer:

  1/343

Step-by-step explanation:

[ [(7/4)^-3 ] / x  = 64

    1 / [(7/4)^3]x =64

    1/ (343/64)x =64

   64/(343x) = 64

  64/[(343)(64)] = x

              1/ 343 = x