What was an effect of the fact that Europeans learned about advanced mathematics and science from Islamic scholars? (1 point)
1. This number system allowed math to be done more quickly and efficiently. This, in turn, made the Crusades easier and more efficient.
2. This number system allowed math to be done more quickly and efficiently. This, in turn, led Europeans to invent the astrolabe.
3. This number system allowed math to be done more quickly and efficiently. This, in turn, made buying and selling things easier.
4. This number system allowed math to be done more quickly and efficiently. This, in turn, led to changes in European buying patterns.