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Chapter 1: Q38E (page 57)

Give the name and symbol of the prefixes used with SI units to indicate multiplication by the following exact quantities.

a. 103

b. 10-2

c. 0.1

d. 10-3

e. 1,000,000

f. 0.000001

Short Answer

Expert verified

a) 103 =Kilo

b) 10-2 =centi

c) 0.1 =deci

d) 10-3 =mili

e) 1,000,000 = 106 =mega

f) 0.000001 = 10-6 = micro

Step by step solution

01

Determine the definition of base units.

A base unit is defined arbitrarily and not by combinations of other units. In contrast, a derived unit is a SI unit of measurement composed of a combination of the seven base units (Kg, m, s, A, K, mol, cd).

02

Name and symbol of the prefixes used with SI unit

a) 103 =Kilo(Kilogram = 103 grams, kilometre = 103 meters)

Symbol – K

b) 10-2 =centi(it is the 100th part of a unit, like a centimeter or a centigram)

Symbol – c

c) 0.1 =deci(it is the tenth part of a unit: decimetre, decigram)

Symbol – d

d) 10-3 =mili(the 1000th part of a unit:millimeter, milligram). Thenamecomes from the word used inLatinto mean “one thousand.”

Symbol – m

e) 1,000,000 = 106 =mega(megawatt)

Symbol – M

f) 0.000001 = 10-6 =micro(micrometer, microsecond)

Symbol - μ

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