Convert 29 inches to cm
Round your answer to the nearest tenth.
cm
The Correct Answer and Explanation is :
To convert inches to centimeters, you can use the conversion factor where 1 inch is equal to 2.54 centimeters. Therefore, to convert 29 inches to centimeters, you would multiply 29 by 2.54:
[
29 \, \text{inches} \times 2.54 \, \text{cm/inch} = 73.66 \, \text{cm}
]
Now, to round 73.66 to the nearest tenth, we look at the digit in the hundredths place, which is 6. Since 6 is greater than or equal to 5, we round up the tenths place from 6 to 7. Therefore, 73.66 rounded to the nearest tenth is 73.7 cm.
Explanation of the Conversion Process
The conversion of inches to centimeters is a straightforward calculation that relies on a defined measurement ratio. The inch is a unit of length commonly used in the United States and a few other countries, while the centimeter is part of the metric system, which is used globally. The metric system is often favored in scientific contexts due to its ease of use in calculations and its standardized units.
To perform the conversion, the constant 2.54 cm/inch is used because this value represents the exact number of centimeters in one inch. Multiplication is the method used here because you want to scale up the length measurement from inches to centimeters, effectively translating the smaller unit into the larger unit based on the conversion factor.
When rounding, it’s essential to understand how place value works. The tenths place is the first digit to the right of the decimal point. The process of rounding involves examining the next digit (the hundredths place) to decide whether to round up or maintain the current digit.
In this case, the rounded result of 29 inches is approximately 73.7 cm, making it easier to communicate and apply in various practical contexts, such as measuring height, length, or distance in a more universally understood unit.