What is the main purpose of QBE​

Ihave an iphone 8plus should i get another phone like samsung note 9 or s9 ? ?

Light travels at a speed of 186,000 miles a second. the distance light travels in a year is 5,865,690,000,000 miles/year 5,865,695,000,000 miles/year 58,656,950,000,000 miles/year 6,789,000,0000 miles/year

Monica and her team have implemented is successfully in an organization. what factor leads to successful is implementation? good between different departments in an organization leads to successful is implementation.