Question

{[(3^7.3:3^8.3:3^9)^4]^5}^2

Answer 1

{[(3^7 . 3 : 3^8:3^9)⁴]^5}²=

{[(3^8 : 3^8:3^9)⁴]^5}²=

{[( 3°:3^9)⁴]^5}²=

{[(3^-9)⁴]^5}²=

{[3^-36]^5}²=

{3^-180}²=

3^360.