5
QuizMultiple Choice
Test Review Test
Question 5 of 12 • *25-26 KCS18 Chemistry IC
Rita divides Avogadro’s number (approximately 6.02214 1023) by 2.055 to calculate the number of atoms in a sample. Which expression gives her result to the correct number of significant figures?
Answer
A
2.93 1023
B
2.930 1023
C
2.9305 1023
D
2.93048 1023