(40 x 5) + (2 x 5)
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The two partial products of 42 X 28 are 42 X 8 (336) and 42 X 2 (84). To get the actual answer, you shift the partial product (42 X 2) one decimal space to the left and add it to the other partial product, (42 X 8). 42 X 2 = 84. Now, shift 84 one decimal space to the left. This gives you 840. 42 X 8 = 336. Now add 336 to 840 to get the final result, 1176.
Well, isn't that just a happy little math problem we have here! To find the partial product of 42 and 28, we simply multiply the two numbers together. So, 42 multiplied by 28 equals 1,176. Just like painting a beautiful landscape, math can be a peaceful and rewarding experience when you take it one step at a time.
40 x 5 = 200 2 x 5 = 10 42 x 5 = 210
The product is: 5/8 times 5/7 = 25/42
7 times 6 is 42. If you subtract two, you get 42-2= 40.