with Gupta mathematics and astronomy, which of the following discoveries were most important to future generations? salect all that apply:
Ause of zero as a place holder
Bnumeric decimal system
Cobserving the earth to be round due to shadows
Dconcluding the earth spins on an axis
Euse of coins as money
Ause of zero as a place holder
Bnumeric decimal system
Cobserving the earth to be round due to shadows
Dconcluding the earth spins on an axis
Euse of coins as money