Plz i didn't understand these how did advancements during the gupta period transform mathematics? a. they invented algebra. b. they created the concepts of square numbers and square roots. c. they developed a decimal system with a numeral for zero. d. they made progress in metallurgy. under whose reign did the gupta empire reach its greatest size? a. chandragupta mauryab. chandra gupta ic. samudra guptad. chandra gupta iiwhich game was invented in india? a. solitaireb. mahjonggc. chessd. checkers

Question 1: They developed a decimal system with a numeral for zero.

An important development in mathematics during this period was the decimal system notation. The powers of ten with null coefficients were used in order to indicate "zero."

Question 2: Chandragupta II

Chandragupta II was one of the most powerful emperor of the Gupta Empire. Under his rule (c. 380-c. 415) the Gupta Empire reached its greatest size. He was a great supporter of the arts and his rule is often referred to as the “Golden Age” of India.

Question 3: Chess

Chess is believed to have originated in India during the Gupta Empire in the 6th century. Afterwards, it spread through the Silk Road.

1. ford: gerald ford´s presidency, from 1974 to 1977, faced high inflation, named it public enemy nº1, and created the win program (whip inflation now).

2. carter: president from 1977 to 1981, carter had controversial poitions over abortion, but yet, he enforce the roe vs wade decision, which had pro-choice content.

3. reagan. for his eloquency and powerful speeches in his mandates, from 1981 to 1989, reagan earned this nickname, “the great communicator” .

4. george h w bush: despite many presidents had important roles in managing and trying to end the cold war, it was in bush sr's mandate that the berlin wall was materially destroyed, and he was visited by gorbachev in the uspresident from 1989 to 1993.

5. clinton: defense of marriage act. clinton signed this controvesial act, which defined marriage and spouses in strict heterosexual perspective, that was later declard unconstitutional by the us supreme court.

6. george w bush: in the begining of his presidency, which lasted until 2009, bush jr faced the greatest terrorist attacks in us and probably the worlds history, in september, 11 of 2001.

7. obama: in attempts to cease a great economical crisis, barack obama signed the controversial recovery act in february 2009, which handled 780-billion dollars.

answer; i believe its (jade); good luck