(answer i really need this)
the average distance from the sun to the planet mercury is about 58,000,000 km. the diameter of a human hair is about 0.0025 cm.
(a) what is the distance from the sun to mercury written in scientific notation?
(b) what is the diameter of a human hair written in scientific notation?
(c) in comparing the measurements in parts (a) and (b), what else must be done before a comparison is made?
write out your answer.

a.the distance between the sun and mercury is approximately: 36,000,000 miles, how do you write it in scientific notation? socratic

b.the diameter of the average cell in the human body is 1x10^-5 meters. the diameter of a grain of sand is about 2x10^-4 meters. the diameter of a human hair is about 0.25. part a: what is the diameter of a human hair written in scientific notation?

c.nufacturers have many different ways to specify the performance of measuring instruments. it is often a struggle for us, the instrument users, to derive useful information from that multitude, to compare instrument capabilities or even decide what calibration standard has the required capability.

table 1 shows some of the formats commonly seen in electronic equipment. variations of these are also found in other types of measuring instruments.

there is no standardized format for describing the performance specifications of an instrument, and the characteristics of instruments are varied enough that it would be a difficult thing to accomplish. yet some sort of method is needed to make various applications easier for metrology engineers and calibration technicians.

ideally, the method also could be adapted easily to computer systems, eventually allowing computer applications to automatically do some of the work. of course, when a computer application does something automatically, it’s because many people behind the scenes have put a lot of work, time and expense into creating software that drives it.

7/2

(decimal: 3.5)

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