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What is the SI Base Unit for length?
Meter (m)
What is the SI Base Unit for mass?
Kilogram (kg)
What is the SI Base Unit for time?
Second (s)
What is the SI Base Unit for temperature?
Kelvin (K)
What is the SI Base Unit for amount of substance?
Mole (mol)
What is the SI Base Unit for electric current?
Ampere (A)
What is the SI Base Unit for luminous intensity?
Candela (cd)
Tera (T)
1012
Giga (G)
109
Mega (M)
106
Kilo (k)
103
Deci (d)
10-1
Centi (c)
10-2
Milli (m)
10-3
Micro (μ)
10-6
Nano (n)
10-9
Pico (p)
10-12
Density =
Mass/Volume
Volume =
Mass/Density
Mass =
Density x Volume
1 mL =
1 cm3
All nonzero digits are
significant
Interior zeroes are
significant
leading zeroes are
not significant
Trailing zeroes after a decimal point are
always significant
Trailing zeroes before a decimal point (and after a nonzero number) are
always significant
Trailing zeroes before an implied decimal point are
ambiguous and should be avoided
Exact numbers have an _________ number of significant figures
unlimited