Look at this series: 0.15, 0.3, ____, 1.2, 2.4,

Look at this series: 0.15, 0.3, ____, 1.2, 2.4, ... What number should fill the blank?

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #37025