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Navy Electricity and Electronics Training Series (NEETS)
Module 1—Introduction to Matter, Energy, and Direct Current
Chapter 3:  Pages AII-1 through AII-3

 

APPENDIX II


LAWS OF EXPONENTS

The International Symbols Committee has adopted prefixes for denoting decimal multiples of units. The National Bureau of Standards has followed the recommendations of this committee, and has adopted the following list of prefixes:



Numbers

Powers of ten

Prefixes

Symbols

1,000,000,000,000

1012

tera

T

1,000,000,000

109

giga

G

1,000,000

106

mega

M

1,000

103

kilo

k

100

102

hecto

h

10

10

deka

da

.1

10-1

deci

d

.01

10-2

centi

c

.001

10-3

milli

m

.000001

10-6

micro

u

.000000001

10-9

nano

n

.000000000001

10-12

Pico

p

.000000000000001

10-15

femto

F

.000000000000000001

10-18

atto

a



To multiply like (with same base) exponential quantities, add the exponents. In the language of algebra the rule is am x an  = am+n

Exponents - RF Cafe


 

AII-1




To divide exponential quantities, subtract the exponents. In the language of algebra the rule is




*Generally used with electrical quantities.




To raise an exponential quantity to a power, multiply the exponents. In the language of algebra
(xm)n  = xmn.




Any number (except zero) raised to the zero power is one. In the language of algebra xO  = 1





Any base with a negative exponent is equal to 1 divided by the base with an equal positive exponent. In the language of algebra x-a  = 1/xa




To raise a product to a power, raise each factor of the product to that power.


 

AII-2




To find the nth root of an exponential quantity, divide the exponent by the index of the root. Thus, the nth root of am = am/n.


 
 

AII-3



Introduction to Matter, Energy, and Direct Current, Introduction to Alternating Current and Transformers, Introduction to Circuit Protection, Control, and Measurement, Introduction to Electrical Conductors, Wiring Techniques, and Schematic Reading, Introduction to Generators and Motors, Introduction to Electronic Emission, Tubes, and Power Supplies, Introduction to Solid-State Devices and Power Supplies, Introduction to Amplifiers, Introduction to Wave-Generation and Wave-Shaping Circuits, Introduction to Wave Propagation, Transmission Lines, and Antennas, Microwave Principles, Modulation Principles, Introduction to Number Systems and Logic Circuits, Introduction to Microelectronics, Principles of Synchros, Servos, and Gyros, Introduction to Test Equipment, Radio-Frequency Communications Principles, Radar Principles, The Technician's Handbook, Master Glossary, Test Methods and Practices, Introduction to Digital Computers, Magnetic Recording, Introduction to Fiber Optics

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