Question

How did the achievements of the Gupta empire make higher-level mathematics possible?
A.
They invented writing materials that allowed for the easy correction of mistakes.

B.
They developed the idea of multiplication as repeated addition.

C.
They discovered the number pi and were the first to calculate the area of a circle.

D.
They invented the numeral zero and the decimal system of numbers.

Answer 1

I think d is the correct answer

Answer 2

"The answer is, “The achievements of the Gupta Empire make higher-level mathematics possible because they invented the numeral zero and the decimal system of numbers.”

However, the concept of the decimals was not cleared since there was no zero at that time. Hence, they used a different coefficient in the place of a zero.

"