javascript

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// Function to check if a number is prime

function isPrime(num) {

if (num <= 1) return false;

for (let i = 2; i <= Math.sqrt(num); i++) {

if (num % i === 0) return false;

}

return true;

}

let count = 0; // Counter for number of primes found

let sum = 0; // Running total of prime numbers

let i = 2; // Start searching for primes from 2

while (count < 10) {

if (isPrime(i)) {

count++; // Increment counter

sum += i; // Add prime to running total

}

i++; // Move on to next number

}

// Calculate average of the first 10 primes

const average = sum / count;

console.log(`The average of the first 10 prime numbers is ${average}.`);

When you run this program, it will output the following result:

csharp

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The average of the first 10 prime numbers is 12.9.

Note that the average of the first 10 prime numbers is not an integer, so the result is a floating-point number.

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