Respuesta :

apqles
Titan: 135,000,000,000,000,000,000,000 kg
or 1.35 x 10^23 kg

Ariel: 1,350,000,000,000,000,000,000 kg
or 1.35 x 10^21

(the ^ symbol in between the numbers mean to make the number on the right side an exponent - hope it makes sense)

Titan: 135,000,000,000,000,000,000,000 kg