Answer: 640,900,000.
Step-by-step explanation: 6.5 x 10^8 = 650,000,000.9.1 x 10^6 = 9,100,000.
650,000,000 - 9,100,000 = 6,400,900.===================================================================Hope this helped!- bucketsarecool
1.6m questions
2.0m answers