Question

The Earth has been around for __________ times the number of years as modern humans (Homo sapiens):

hi Ayuda es de ciencias pero esta en ingles

Answer 1

The Earth has been around for 4,543.9 million times the number of years as modern humans.

Aunque la manera correcta de decirlo sería: Earth has existed for 4,543.9 million times as many years as modern humans.