What is the code for #7 using a while loop statement on c++?

1. Compute the sum of the first 20 terms in the sequence 7,12,17,22 2. Compute the sum of the first 15 terms in the sequence 4,8,16,32,64.. 24 Evaluate (2k +1) 3. - 4. Evaluate (k2 +3k-5 5. Compute the product of the first 10 terms in the sequence 3,12,48,192, Compute n! 1* 2*3*4* Estimate the value of the mathematical constant e by using the formula 97 1! 2! 3! Find the largest number less than 250 that is divisible by 19. Find the smallest number greater than 1200 that is divisible by 23. 8. 9