If the mean of the first five prime numbers is 6, what is the sum of these numbe

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Question: If the mean of the first five prime numbers is 6, what is the sum of these numbers? (2020)

Options:

Correct Answer: 30

Exam Year: 2020

Solution:

Mean = Sum / 5. Therefore, Sum = Mean * 5 = 6 * 5 = 30.

If the mean of the first five prime numbers is 6, what is the sum of these numbers? (2020)

If the mean of the first five prime numbers is 6, what is the sum of these numbers? (2020)

Step 1: Understand what 'mean' means. The mean is the average of a set of numbers.
Step 2: Know that the mean is calculated by adding all the numbers together and then dividing by how many numbers there are.
Step 3: In this case, we have the mean (average) of the first five prime numbers, which is given as 6.
Step 4: Since there are 5 numbers, we can use the formula: Mean = Sum / Number of values.
Step 5: Rearrange the formula to find the sum: Sum = Mean * Number of values.
Step 6: Substitute the values into the formula: Sum = 6 * 5.
Step 7: Calculate the sum: 6 * 5 = 30.
Step 8: Therefore, the sum of the first five prime numbers is 30.

Mean Calculation – Understanding how to calculate the mean (average) of a set of numbers by dividing the sum of the numbers by the count of the numbers.
Prime Numbers – Recognizing the first five prime numbers (2, 3, 5, 7, 11) and their properties.