A particular molecule has a diameter of 12 billionths of a meter. This distance is equal to:
A) 1.2 nanometers (1.2 nm) .
B) 1.2 micrometers (1.2 μm) .
C) 12 nanometers (12 nm) .
D) 12 micrometers (12 μm) .
Correct Answer:
Verified
Q48: 105 × 108 =
A)1040
B)103
C)1013
D)1020
Q49: 106/109 =
A)1054
B)1015
C)10-3
D)103
Q50: 106/106 =
A)1
B)10
C)0
D)1012
Q51: (9.0 × 105)/(1.5 × 103) =
A)13.5 ×
Q52: 2.5 × 104 × 2.5 × 10-4
Q54: An astronomer is measuring the brightness of
Q55: The distance from Earth to the star
Q56: The distance to the star τ Scorpii
Q57: The star
Q58: The star ? Puppis is about 750
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