1. why did arabic numerals replace roman numerals?

a.
they were more accurate.

b.
they were based on the quran.

c.
they made it easier to perform calculations.

d.
they were easier to read.

2. which of the following were among the most valuable trade goods produced in the arab world?

a.
cotton textiles

b.
silks

c.
furs

d.
spices

3. why did muslim architecture incorporate roman and byzantine elements?

a.
the arab muslims were conquered by the romans.

b.
many romans lived in the arab muslim empire.

c.
the romans and byzantines once ruled some muslim lands.

d.
muslims valued roman and byzantine architectural styles the most.