Question

qual o valor da expressao ?

Answer 1

( 5^-1)^-2. (2^4.5^7) : (2^2.5^2^3)

  5^2.2^4.5^7 : (2^2.5^8)
 

5^9 . 2^4 : 2^2.5^8

5^9 . 2^4.2^-2.5^-8

5^1 . .2^2

5. 4 = 20