Well it is triples you can tell that it is a division question. So triples means by 3.
The equation is 2,551,500 = d X 3^6. So, now 2,511,500 / 729 is your final answer, 3,500. Hope it helps :)
Explanation:
villi are small finger like structures in the small intestine
Probably not. some bacteria produce enzymes that break down hemoglobins in RBC.
Answer
La corteza terrestre temprana apareció hace aproximadamente 4.500 millones de años, después de las últimas etapas de acreción planetaria.