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Quantities and Units

Quantities and Units
When these numbers are added, (87 × 105) + (2.5 × 106), the result is

1.12 × 104
1,120 × 106
112 × 105
11.2 × 105

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Quantities and Units
The number 3.2 × 10–5 A expressed using a metric prefix is

32 µA
320 mA
3.3 µA
3,200 mA

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Quantities and Units
When these numbers are multiplied, (6 × 103) (5 × 105), the result is

3 × 108
300 × 109
3,000 × 107
30 × 108

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Quantities and Units
The number 65,000 expressed in scientific notation as a number between 1 and 10 times a power of ten is

0.65 × 104
650 × 103
65 × 104
6.5 × 104

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Quantities and Units
The number 0.0003 multiplied by 10-3 is

0.0003
3000
3
3.0E-7

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Quantities and Units
The number of kilowatts in 135 milliwatts is

0.0135 kW
0.00135 kW
135 × 10–3 kW
1.35 × 10–4 kW

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