16 * 640 = 10,240
640*4 = 2560
80 multiplied by 640 is 51,200
640 x 60 = 38400
640
22,400
101534080
The prime factorization of 640 using exponents is 2^7 x 5. This means that 640 can be expressed as the product of 2 raised to the power of 7, multiplied by 5. In other words, 640 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 5. This representation helps us understand the factors that make up the number 640 in terms of its prime components.
75% of 640= 75% * 640= 0.75 * 640= 480
It is328 960 000why don't you use a calculator? or go to Google and tipe in 640 x 5140100?that's what i did.
Well honey, if you do the math, 16 goes into 640 a grand total of 40 times. It's simple division, not rocket science. So, there you have it, 16 fits into 640 exactly 40 times.
(320,2)(160,4)(128,5)(80,8)(64,10)(40,16)(32,20)