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"1.00E+09." Fullformexpand.com, https://www.fullformexpand.com/100e09/487690. Accessed 11 Jan. 2026.
Fullformexpand.com, 2026. "1.00E+09." Accessed January 11, 2026. https://www.fullformexpand.com/100e09/487690.
"1.00E+09." (n.d.). Fullformexpand.com. Retrieved January 11, 2026, from https://www.fullformexpand.com/100e09/487690.
1.00E+09. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/100e09/487690 (Accessed: 11 January 2026).