. 10 Which of these numbers is about the same size as the correct answer to 480 + 490? 100 500 400 1000 700 2000​

Ineed to learn how to solve this problem

Colby and jaquan are growing bacteria in an experiment in a laboratory. colby starts with 50 bacteria in his culture and the number of bacteria doubles every 2 hours. jaquan starts with 80 of a different type of bacteria that doubles every 3 hours. let x equal number of days. colbys experiment follows the model: a.) y=50*2^x b.) y=50*2^8x c.) y=50*2^12x jaquans experiment follows the model: a.)80*2^x b.)80*2^8x c.)80*2^12x

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180