At the time of this writing,the population of the United States is about three hundred twenty million,or:
A) 3.2 × 106
B) 3.2 × 107
C) 3.2 × 108
D) 3.2 × 109
Correct Answer:
Verified
Q14: Express 4,020,000,000 in standard scientific notation.
A) 4.02
Q15: A particular subatomic particle has a radius
Q16: Express 0.0003 in standard scientific notation.
A) 3.0
Q17: The characteristic that most clearly distinguishes modern
Q18: (4.72 × 10¹⁵)- (8.0 × 10¹⁴)= :
A)
Q20: (4.0 × 10⁸)/ (8.0 × 10⁴)= :
A)
Q21: A parsec is a unit of:
A) angle.
B)
Q22: How many orders of magnitude are there
Q23: Which of the following was a way
Q24: The first steps toward science came with
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