If 1 centimeter = 0.394 inch, use dimensional analysis to find 3 meters in inch.
a. 118.2 in
b. 11.82 in.
c. 1182 in.
d. 1.182 in.

Step-by-step explanation:

You know that

1 cm = 0.394 in

If you divide both sides by 1 cm, you get the conversion factor:

1 = 0.394 cm/1 in.

If you divide both sides by 0.394 in, you get the conversion factor:

1 cm/0.394 in = 1.

Both are conversion factors because they both equal one and multiplying a measurement by one does not change its value.

You choose the conversion factor that gives you the correct dimensions for your answer. It must have the correct dimensions on top (in the numerator),

Thus, to convert 1 cm to inches, you use the conversion factor with “in” on the top.

1. Convert metres to centimetres

2. Convert centimetres to inches

it costs $20 to interview each person for a survey. find the cost to obtain a +- 3% margin of error.

step-by-step explanation:

copy and paste, put it in google

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step-by-step explanation: