Question

Como resolver a equação exponencial 30^1-x=1/900

Answer 1

30^1 - X = 1/900

30 - X = 1/900

900 x 30 - 900  x X = 1

27000 - 900X = 1

27000 - 1 = 900 X

26999= 900 X

X = 26999/900

X = 29,999

Answer 2

30^1-x=1/900

30^1-x=1/30²

30^1-x=30^-2

1 -x  = -2

1 + 3 = x 

4 = x