Exercise: Quantities And Units

Questions for: Quantities And Units

The number of kilowatts in 135 milliwatts is
A:
1.35 × 10–4 kW
B:
135 × 10–3 kW
C:
0.0135 kW
D:
0.00135 kW
Answer: A
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When converting 7,000 nA to microamperes, the result is
A:
0.007 µA
B:
0.7 µA
C:
700 µA
D:
7 µA
Answer: D
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The number 65,000 expressed in scientific notation as a number between 1 and 10 times a power of ten is
A:
0.65 × 104
B:
6.5 × 104
C:
65 × 104
D:
650 × 103
Answer: B
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When these numbers are multiplied, (6 × 103) (5 × 105), the result is
A:
3 × 108
B:
30 × 108
C:
300 × 109
D:
3,000 × 107
Answer: B
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