Answer:
6.23*10^6
Step-by-step explanation:
We first write the answer in full notation 6,230,000.
Then we count how many decimal places it takes before we have one leading digit. Since it is six, we move the decimal place and write 6.23*10^6
Answer:
90 quizzes
Step-by-step explanation:
In 7 weeks, 63 quizzes
In 10 weeks, x quizzes
Making a proportion,
7/10 = 63/x
Cross multiplying,
7x = 630
Dividing by 7 on both sides,
x = 90 quizzes
Answer:103
Step-by-step explanation:
100,102,103,106,109
There median is the middle number which is 103
44 students in Mrs. Vitale's class read 11 books
<h3>Ratio and proportions</h3>
Let the number of students that read 11 books in Mrs. Vitale's class be x
If One fourth of the students in Mrs. Vitale's class read 11 books, then
1/4 x = 11 books
x = 11 * 4
x = 44
Hence 44 students in Mrs. Vitale's class read 11 books
Learn more on ratio and proportion here: brainly.com/question/2914376
Hey there,
To find the value of x we can take the two, CD or DE and set them equal to CE.
First step is set the lines equal to each other:
Now we combine like terms:
Then we subtract 7x from both sides:
Add 6 to both sides:
Lastly we divide both sides by 2:
So the value of x would have to be 5.
Hope I helped,
Amna
