With gupta advancements in mathmatics and astronomy, which of the following discoveries were most important to future generations? mark all that apply.

1) use of zero as a placeholder

2) numeric decimal system

3) observing the earth to be round due to shadows

4) concluding the earth spins on an axis

5) use of coins as money

july 1861 here you go hope it

i actually have a suggestion instead of an answer, how about next time instead of spending the time to time up the question you take that time and try to figure something out for yourself, do you understand?

explanation:

leave a 5 star and a and brainliest answer if you understand, hope this betters you day, or not i don't really care either way. xd