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o-na [289]
3 years ago
10

List the partial products of 42 x 28

Mathematics
2 answers:
Otrada [13]3 years ago
3 0
The partial products are: 42 * 28 = (40 + 2)*(20 + 8) = 40*20 + 40*8 + 2*20 + 2*8
= 800 + 320 + 40 + 16
MrMuchimi3 years ago
3 0

Answer:

The partial product of 42\times 28 are 800,320,40,16 and their sum is 1176.

Step-by-step explanation:

The given expression is,

42\times 28

In number 42 the place value of 4 is 40 and the place value of 2 is 2. In number 28 the place value of 2 is 20 and the place value of 8 is 8.

To find the partial product, we have multiply the place values of first number with the place values of second number.

Place values of 42 are 40 and 2. Place values of 28 are 20 and 8.

40\times 20=800

40\times 8=320

2\times 20=40

2\times 8=16

Therefore the partial product of 42\times 28 are 800,320,40 and 16.

To find the total product, we have add all partial products.

T=800+320+40+16=1176

The value of given expression is 1176.

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