${\displaystyle 1000000000}$

??? ( ???? : 1,000,000,000) ( ??????? : Billion)? ???? ?? ?? ????? ???? ? ??? ?? ???? ??? ?? ??? (1,000,000,000) ?? ?? ???? ?? ???? ????? ????? ????

???? ???? ?? 10 ?????? ?? ?????? ?? ???? ??? ???

10000000 ( ???? ) × 100 = 1000000000 ( ??? )

1000000 ( ????? ) × 10 = 1000000000 ( ??? )

1 ??? = 1,000,000,000 = ${\displaystyle 10^{9}}$

????? [ ????? ]