Unit 1 (1.4) Flashcards
(22 cards)
What is the unit/symbol/what it measures, of length
Meter (m) distance
What is the unit/symbol/what it measures, of mass
Grams (g) amount of matter
What is the unit/symbol/what it measures, of volume
Liter (L) amount of space
What is the unit/symbol/what it measures, of time
Seconds (sec) time
What is the unit/symbol/what it measures, of temperature
Degrees Celsius (C/F) degree of temp=kinetic energy
What is qualitative data?
describes a characteristic of what the thing is (He is tall)
what is quantitative data?
a measurement or count of the characteristic (He is 6 feet 4 inches)
How do you measure regular/irregular objects
reg: LxHxW
Irreg: water displacement
giga
(G) 1,000,000,000=10^9
mega
(M) 1,000,000=10^6
kilo
(k) 1,000=10^3
hecto
100=10^2
centi
(c) 0.01=10^-2
milli
(m) 0.001=10^-3
micro
(u) 0.000001=10^-6
nano
(n)0.000000001=10^-9
How many cm are in 386 μm?
38,600,000
How many mm are in 10.8 cm?
108
How many mm are in 2,132 nm?
0.002132
How many μm are in 64 nm?
0.064
How do you find the median
ordering all data points and picking out the one in the middle
How do you find the average
adding a group of numbers and then dividing by the count of those numbers.