Metric units of length measurement most commonly used in biology include the met

Question

Metric units of length measurement most commonly used in biology include the meter (m), centimeter (cm), millimeter (mm), micrometer (mu m), and nanometer (nm). See Table 2.1, below. How many cm are in a meter? _ How many mm are in a centimeter? _ How many mu m are in a millimeter? _ How many nm are in a micrometer? _ Obtain a meter stick. On the opposite side find the English measurement units of "inches". How many inches are in a meter? _ Therefore, one meter is roughly equivalent to a yard. Turn the meter stick over and observe the metric subdivisions (Fig. 2.4). How many centimeters are in a meter? _ The prefix centi- means 100. How many cents (pennies) are in a dollar? How many millimeters are in a centimeter? _. The prefix milli- means a thousand. How many millimeters are in a meter?_ For measuring smaller objects, it is preferable to use a metric ruler, rather than a meter stick. Obtain a penny. Measure its diameter _ then its width (thickness) _. Why is it preferable to measure a penny in millimeters rather than centimeters or meters?

Explanation / Answer

Ans 1)

One metre = 39.3701 inch, thus it makes evident that one meter = 1.09 yards which is approximately and roughly equal.

Ans 2) When it comes to how many cm is there in one metres, 1m = 100cm. It is evident that one cent= 100, which makes 1 dollar = 100 cents.

Ans 3) In 1cm, there are 10mm. So, when it comes to 1m, there are 1000mm.

Ans 4) The diameter of a one cent penny is approximately 19mm, which is 1.9cm, which 0.0019m. The thickness of one cent penny 1.52mm, which 0.152m, which 0.00152m

Ans 5) It is preferable to measure a penny in mm as it is small in size and measuring the same with metric scale becomes more feasible.

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