Question

(1,5.10^4+50.10^2):7,5.10^-12

Answer 1

{1.5*10⁴ + 50.1*10²} / 7.5*10⁻¹²
=(15*10³ + 5.01*10³)*7.5*10¹²
=( 20.01*10³)*7.5*10¹²
=150.075*10¹⁵
=15.0075*10¹⁶