The answer is B. To find the median you should place the numbers in value order. The middle number will be the median. :
Girls : 73 81 89 91 93
Boys: 68 73 78 86 91
The girl's scores' median is 89
The boy's scores' median is 78
89-78= 11
Answer: If element Q has 11 protons, its atomic <u>number</u> is 11.
Step-by-step explanation:
The atomic number of a chemical element is the total number of protons that each atom of that element has.
In other words: it indicates the amount of protons that is present in the nucleus of an atom.
In this sense, the periodic table of the elements arranges the chemical elements in the form of a table, ordered by their atomic number (number of protons), by their configuration of electrons and their chemical properties.
Answer:
5 Hours of work.
Step-by-step explanation:
Subtract 125 by 65 and we get 60. Then divide that 60 by how much he gets paid an hour ($12), and you get 5 hours of work until he can buy the bike.
