<prompt> unaweza kugeuza matini haya ya swahilikwa kiingereza?idadi ya watu duniani ni inakadiriwa bilioni 7.7 na inatarajiwa kufikia bilioni 10 kufikia mwaka wa 2050.  <response>: the earths population is nearly 7 billion, and is expected to reach 9 billion by 2050. 