Express the Sum in Summation Notation

Q71: A car dealer has 20 new automobiles

Q72: The solution of <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6578/.jpg" alt="The solution

Q73: Solve: -2 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6578/.jpg" alt="Solve: -2

Q74: The solution of <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6578/.jpg" alt="The solution

Q75: Express the sum in summation notation. <img

Q77: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6578/.jpg" alt=" A) 65 B)

Q78: A kitchen cabinet maker wants to establish

Q79: A chemist must prepare 540 ml of

Q80: Evaluate: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6578/.jpg" alt="Evaluate: " class="answers-bank-image

Q81: An office complex consists of 300 units