Chapter 1: Q14. (page 18)
One hectare is defined as. One acre is. How many acres are there in one hectare?
Short Answer
There are possibly acres in one hectare.
Chapter 1: Q14. (page 18)
One hectare is defined as. One acre is. How many acres are there in one hectare?
There are possibly acres in one hectare.
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Get started for freeWhich is not true about an order-of-magnitude estimation?
(a) It gives you a rough idea of the answer.
(b) It can be done by keeping only one significant figure.
(c) It can be used to check if an exact calculation is reasonable.
(d) It may require making some reasonable assumptions in order to calculate the answer.
(e) It will always be accurate to at least two significant figures.
What are the merits and drawbacks of using a person’s foot as a standard? Consider both (a) a particular person’s foot and (b) any person’s foot. Keep in mind that it is advantageous that fundamental standards be accessible (easy to compare to), invariable (do not change), indestructible and reproducible.
What, roughly, is the percent uncertainty in the volume of a spherical beach ball of radius?
You measure the radius of a wheel to be 4.16 cm. If you multiply it by 2 to get the diameter, should you write the result as 8 cm or as 8.32 cm? Justify your answer.
How many significant figures does 1.3262 + 25.2 have?
(a) 2
(b) 3
(c) 4
(d) 5
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