Which Is Correct If 15,390,000 Is Rounded to Two Significant

Q9: Isopropyl alcohol, commonly known as rubbing alcohol,

Q11: The SI prefix mega- (M) means<br>A)10 ⁻⁶.<br>B)10

Q22: Write the value 15,360,000,000 in scientific notation.<br>A)1.536

Q23: Convert 1,556.9 mm into units of km.<br>A)1.5569

Q24: The speed needed to escape the pull

Q25: The density of mercury, the only metal

Q26: The SI prefix nano- (n) means<br>A)10⁻⁹<br>B)10⁻⁶<br>C)10⁻³<br>D)10⁺⁶<br>E)10⁺⁹

Q29: Select the largest unit.<br>A)mg<br>B)μg<br>C)kg<br>D)dg<br>E)Mg

Q30: A train is accelerating at a rate

Q31: Write the value 0.000000000143 in scientific notation.<br>A)1.43