Round up 395,621 to the nearest ten thousand
1 answer:
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Given:
Two numbers are 12 and 21
To find:
The factors of 12 and 21, then find the common factor and the greatest common factor.
Solution:
Two numbers are 12 and 21. The prime factors of these two numbers are
From the above factorization, it is clear that the factor 3 is common in both. So,
Common factor (CF) = 3
Only 3 is common in factorization of both. So,
Greatest common factor (GCF) = 3
Therefore, the common factor is 3 and the greatest common factor is also 3.
Answer: ≈ 8%
Step-by-step explanation:
Total number of students = total number of boys + total number of girls
Total number of students = 88 + 75
Total number of students = 163
10.2% of the boys have blue eyes , this means that 10.2% of 88 have blue eyes
x 88 = 8.976
Since we are dealing with humans , therefore , this means that 9 boys have blue eyes.
Also , 5.3% of the girls have blue eyes means that 5.3% of 75 have blue eyes. That is
x 75 = 3.975 , therefore : 4 girls have blue eyes.
In total , 13 students have blue eyes
Therefore , to calculate the % of students that have blue eyes , we have :
13/163 x 100 = 7.975460123
Therefore : ≈ 8% of the students have blue eyes