BRAINLIEST IF CORRECT Historians estimate that there were about 7 million people on earth in 4,000 BCE. Now there are about 7 billion! We write 7 million as 7,000,000. We write 7 billion as 7,000,000,000. How many times more people are there on the earth now than there were in 4,000 BCE? (BCE mean before common era it dosent really matter though
