Unit 3 Flashcards
What does the roman numeral “ss/SS” mean?
1/2
What does the roman numeral “i/I” mean?
1
What does the roman numeral “v/V” mean?
5
What does the roman numeral “x/X” mean?
10
What does the roman numeral “l/L” mean?
50
What does the roman numeral “c/C” mean?
100
What does the roman numeral “d/D” mean?
500
What does the roman numeral “m/M” mean?
1000
In roman numerals when a letter is repeated what happens?
When a letter is repeated so is its value
In roman numerals what is the maximum amount letters are repeated?
3
How do you subtract numbers in roman numerals?
Put a smaller letter in front of a bigger one. Example: IV = 4 because I = 1 and V =5 and because I is smaller and in front of V we minus 1.
What letters in roman numerals can never be repeated or subtracted from larger numbers?
V, L, D never be repeated or subtracted from a larger number.
What is the maximum amount of numbers that can be subracted in a sequence in roman numerals?
1
What happens in roman numerals when a smaller or equal letter is placed after another?
Its added Example: XV = 15
What is happening in the roman numeral “XIX” and whats its value?
19, whats happening is when a smaller letter is placed between 2 larger numbers minus it from the following number.
(a:b) In pharmacy ratios what is “a” and what is “b”?
“a” is the active drug, “b” is the inactive ingredient used with the drug.
How many grams in 4kg?
4000, because 1kg = 1000g
how many milligrams in 7 grams
7000, because 1g = 1000mg
How many micrograms in 12 milligrams?
12,000, because 1mg = 1000 mcg
17L is equal to how many mLs?
17,000, because L = 1000mL
how many mL in a deciliter?
100mL
How many grains in an ounce?
437.5gr
How many grains in 16oz?
7000
How many ounces in a pound?
16oz
