Question

determinati nr natural n; 2^5×0,5^n×8^5=2^15​

Answer 1

Răspuns:

Explicație pas cu pas:

2^5 x 0,5^n x (2^3)^5 = 2^15

2^5 x 0,5^n x 2^15 = 2^15

2^5 x (5/10)^n = 1

2^5 x (1/2)^n = 1

2^5 x 1/2^n = 1

2^(5 - n) = 1

5 - n = 0

n = 5