what's is 9 plus 10 plus 50 then multiply that by 20
Answer (1)
Answer:69×20=68,656Step-by-step explanation:9+10+50= 6969×20=N69+69+69+69+69+69+69+69+69+69+69+69+69+69+69+69+69+69+69+69=N69+69=13860+60=1209+9=18138+138=276100+100=20030+30=608+8=16276+276=552200+200=40070+70=1406+6=12552+552=1,104500+500=1,00050+50=1002+2=41,104+1,104=2,2081,000+1,000=2,000100+100=2004+4=82,208+2,208=4,4162,000+2,000=4,000200+200=4008+8=164,416+4,416=8,8324,000+4,000=8,000400+400=80016+16=328,832+8,832=17,6648,000+8,000=16,000800+800=1,60030+30=602+2=417,664+17,664=34,32810,000+10,000=20,0007,000+7,000=14,000600+600=1,20060+60=1204+4=834,328+34,328=68,65630,000+30,000=60,0004,000+4,000=8,000300+300=60020+20=408+8=16
