Question 69

What is the average of the first 10 prime numbers?

Solution

The first 10 prime numbers are 2, 3, 5, 7, 11, 13, 17, 19, 23 and 29.

Average of the first 10 prime numbers = $$\frac{sum\ of\ data}{number\ of\ data}$$

= $$\frac{2+3+5+7+11+13+17+19+23+29}{10}$$

= $$\frac{129}{10}$$

= 12.9

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