1.3 standard notation.notebook
August 24, 2016
Bellringer: Solve if a = 1/3, b = 5, and c = 1
2a ­ (b ­2c) ­a2 Aug 23­7:54 AM
Aug 24­10:46 AM
1.3
Rules for standard notation Find the number of s.f. and correct all to 3 s.f.
1. 0.410
2. 12. 02
3. 540
4. 220.00
Aug 22­10:01 AM
Aug 23­7:57 AM
1
1.3 standard notation.notebook
August 24, 2016
Chi squared
Null hypothesis ­ Gender and favorite meal are independent.
Alternative hypothesis ­ Gender and favorite meal are dependent
length mass
time
electric current
metre kilogram
seconds
m
kg
s
ampere
A
temperature Kelvin
Amount of mole
substance
Intensity of candela
light Aug 24­10:34 AM
SI Derived Units­ units calculated from base units
Volume ­ cm
Aug 23­10:53 AM
SI base
units
K
mol
cd
Aug 23­10:50 AM
Prefixes
kilo
k
1 kg = 1000g
hecto
deca
deci
centi
milli
micro h
da
d
c
m
nano
n
1 hg = 100 g
1 dag = 10 g
10 dg = 1 g
100 cg = 1g
1000 mg = 1 g
1000000 g = 1 g 1000000000ng = 1g
Aug 23­10:59 AM
2