20 POINTS Which three mathematical achievements were made during the Gupta dynasty?
A) the calculation of pi
B) the recognition of prime numbers
C)the idea of zero as part of a system of numbers
D)the creation of Arabic numerals

probably a but I'm not sure

Explanation:

sry

i think the answer to your question is a, b, and d

Explanation:

I hope this helps, have a nice day

the earthquake in haiti was a magnitude of 7.0 according to the u.s geological survey yet the smaller earthquake in haiti killed more than 200,000 and left more than 1.2 million people homeless. the chile earthquake was a magnitude of 8.8 and 500 times more stronger but chile's earthquake only injured 712 people.