Question

Cálculo completo pfvr!

Answer 1

$X= 10^{-6-4-(-5)} = x10^{-6-4+5} = 10^{-5}$

Answer 2

X= 10^{-6+4-(-5)}
X=10^{-6+4+5}
X=10^{-6+9}
X=10^3