`(216)^(4)div(36)^(4)xx(6)^(5)=(6)^(?)`

(6xx6xx6xx6xx6xx6)^(4)xx(6xx6xx6xx6)^(5) div (6xx6)^(7)=(36)^(?)

Simplify ((125)/(216))^((2)/(3))xx((36)/(5))^(+2)div((25)/(6))^(-2)

(562.5xx6)^(6)div(135div9)^(10)div (37.5xx6)^(7)=(3.75xx4)^(?-6)

(6)^(4)-:(36)^(3)xx216=6^((7-5))1 b.4 c.6 d.7

(5)/(6)div(6)/(7)xx?-(8)/(9)div1(3)/(5)+(3)/(4)xx3(1)/(3)=2(7)/(9)

What should come in place of the question mark(?) inthe following questions? (6)^(4)-:(36)^3 xx 216 = 6 ^(" ?-8")

Evaluate: ((12)/(35)xx(147)/(44))+((6)/(-90)div(132)/(36))-((5)/(24)xx(72)/(55))

What is the value of [(6.5)^(3)+(4.7)^(3)]div[(6.5)^(2)-6.5xx4.7+(4.7)^(2)]?