Scelta multipla
Which of the following is the correct mass in pounds (lb) for 90 kg? (Use the conversion factor: 1 kg = 2.2046 lb)
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1. Intro to General Chemistry
Conversion Factors
Scelta multipla
Which of the following is the correct conversion of 5.5 inches to millimeters (mm)? (Use the conversion factor: 1 inch = 25.4 mm)
A
55 mm
B
140 mm
C
13.97 mm
D
220 mm
Guida verificata passo dopo passo1
Identify the given quantity and the conversion factor. Here, you have 5.5 inches and the conversion factor 1 inch = 25.4 mm.
Set up the conversion by multiplying the given length in inches by the conversion factor to convert inches to millimeters: \(5.5 \text{ inches} \times 25.4 \frac{\text{mm}}{\text{inch}}\).
Notice that the unit 'inch' cancels out, leaving the result in millimeters.
Perform the multiplication to find the length in millimeters (do not calculate the final number here, just set up the expression).
Compare your calculated value with the given options to determine which one matches the correct conversion.
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