9 cm
It's Yard
what is the best estimate of the capacity of a soda can
The best estimate is the true value.
Since sqrt(52) is an irrational number, the best estimate is √52. Any decimal estimate can be improved by adding another digit so none can be BEST.
The best estimate for the circumference of a circle that has a diameter of 6 is 18.9
9 cm
20 inch
It's Yard
in miles
The metric measurement that is the best estimate for the length of a car is typically in meters or centimeters. This allows for a more precise measurement compared to using larger units such as kilometers.
The circumference of a circle that has a diameter of 6.75 feet is about 21.2 feet.
Inches or centimeters.
The thickness of any U.S. coin is measured at the rim. For dimes it's 1.35mm.
cm
The weight of a wood dowel rod can vary depending on its diameter and length. As a rough estimate, a 1-inch diameter wood dowel rod that is 36 inches long can weigh around 0.5 pounds. It's best to weigh the specific rod you have for an accurate measurement.
You have to calculate the radius - half the diameter. Then square the radius, and multiply by pi (approximately 3.1416). If you want to do a mental estimate, round pi to 3.