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Aleonysh [2.5K]
3 years ago
9

How many centimeters are in 1 mile? Use the equalities 1 mile = 5280 feet; 1 foot = 12 inches; and 1 centimeter = 0.394 inches.

A. (5280 x 12 ∕ 0.394) cm B. 5280 ∕ (12 x 0.394) cm C. 5280 x 12 x 0.394 cm D. (5280 + 12 + 0.394) cm
Chemistry
2 answers:
Galina-37 [17]3 years ago
7 0
The answer is A which comes out to about 160812 cm
Alla [95]3 years ago
4 0

Answer:

A. \frac{5280*12}{0.394}cm

Explanation:

1. Take the quantity you want to convert:

1mile

2. Multiply by the first conversion factor:

1mile*\frac{5280feet}{1mile}

3. Apply the second conversion factor:

1mile*\frac{5280feet}{1mile}*\frac{12inches}{1foot}

4. Multiply by the third conversion factor:

1mile*\frac{5280feet}{1mile}*\frac{12inches}{1foot}*\frac{1centimeter}{0.394inches}

5. Multiply all the numerators and divide by denominators:

1mile*\frac{5280feet}{1mile}*\frac{12inches}{1foot}*\frac{1centimeter}{0.394inches}=\frac{5280*12}{0.394}cm

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