It is
328 960 000why don't you use a calculator? or go to Google and tipe in 640 x 5140100?
that's what i did.
16 * 640 = 10,240
640*4 = 2560
640 x 60 = 38400
80 multiplied by 640 is 51,200
101534080
640
22,400
5 multiplied by 128 equals 640.
514,000 = 5.14 × 105
514000
(320,2)(160,4)(128,5)(80,8)(64,10)(40,16)(32,20)
160-ml multiplied by 4 is 640-ml. Rounding down to one significant figure 1-ml equals .004-cups. 640-ml multiplied by .004 yields the answer of 2.56-cups.