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MECA Electronics

Module 1 - Introduction to Matter, Energy, and Direct Current
Navy Electricity and Electronics Training Series (NEETS)
Chapter 3:  Pages AII-1 through AII-3
Module 1 - Introduction to Matter, Energy, and Direct Current
Pages i - ix, 1-1 to 1-10, 1-11 to 1-20, 1-21 to 1-30, 1-41 to 1-50, 1-51 to 1-60, 1-61 to 1-65, 2-1 to 2-10, 2-11 to 2-20, 2-21 to 2-29, 3-1 to 3-10, 3-11 to 3-20, 3-21 to 3-30, 3-31 to 3-40, 3-41 to 3-50, 3-51 to 3-60, 3-61 to 3-70, 3-71 to 3-80, 3-81 to 3-90, 3-91 to 3-100, 3-101 to 110, 3-111 to 3-120, 3-121 to 3-126, Appendix I, II, III, IV, V, Index

 

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


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