Ineed all the number below in scientific notatin
57,910,000=
108,200,000=
149,600,000=
227,900,000=
778,400,000=
1,424,000,000=
4,488,000,000=

On monday,mrs.wise bought 3 lbs of apples at $4per lb= 4*3=$12on tuesday ,20%off and she buy 5 lbs of apples = $4-20%=3.20*5lb=$16example: other wise when she buy 5lbs on monday she have to spend 4*5=20