CH. 1 UNITS & MEASUREMENTS Flashcards
DIMENSIONAL UNITS
UNITS
All numerical value should have corresponding value ♥
DIMENSIONAL UNITS
LENGTH
cm, feet (distance, circumference,- length of a circle’s boarder)
DIMENSIONAL UNITS
AREA
cm^2, ft^2
an elipse tool can bemused to the measure ♥
DIMENSIONAL UNITS
VOLUME
cm^3, ft^3♥
HINT* dunking an object in water and measuring the displaced water can measure its volume.
DIMENSIONAL UNITS
IS PERCENT A UNIT?
♥
percent is not a unit! ♥
TERMINOLOGY
MULTIPLY
increase by a factor
TERMINOLOGY
DIVIDE
decrease by a factor
POWERS OF TEN
SCIENTIFIC (ENGINEERING) NOTATION
EXAMPLES…
1,000,000 = 1.0X10^6 0.000000124 = 1.24X10^-7 1742 = 1.742X10^3
POWERS OF TEN
POSITIVE
greater than 10
PWERS OF TEN
NEGATIVE
less than 1
POWERS OF TEN
NO EXPONENT
between 1 and 10
THE METRIC SYSTEM
BILLION
NUMBER: 10^9
PREFIX: GIGA ♥
SYMBOL: G
THE METRIC SYSTEM
MILLION
NUMBER:10^6
PREFIX: MEGA
SYMBOL: M
THE METRIC SYSTEM
THOUSAND
NUMBER: 10^3
PREFIX: KILO
SYMBOL: k
THE METRIC SYSYTEM
HUNDRED
NUMBER: 10^2
PREFIX: HECTO
SYMBOL: h