To convert a length value from centimeters (cm) to inches (in), you will need to use the conversion factor of 1 inch = 2.54 centimeters. This means that every 1 inch is equivalent to 2.54 centimeters.
Step 1: Write down the given value of 66 cm.
Step 2: Set up the conversion factor as a fraction, with inches on top and centimeters on the bottom: 1 in / 2.54 cm.
Step 3: Since we want to convert cm to in, we will multiply the given value by the conversion factor, setting up the equation as: 66 cm x (1 in / 2.54 cm).
Step 4: Simplify the units on each side of the equation. The centimeters on the top and bottom will cancel out, leaving us with inches.
Step 5: Now, we can solve the equation by multiplying 66 by 1 and dividing by 2.54. This gives us the final answer of 25.98 in.
Step 6: Round the answer to the appropriate number of significant figures, which in this case is two. Therefore, our final answer is 26 in.
Step 7: Double check your answer by plugging it into a converter or by dividing 66 by 2.54 to verify that it is the same value.
Therefore, 66 cm is equivalent to 26 inches.