20 x 70 = 1400
5 x 70 = 350
3 x 20 = 60
3 x 5 = 15
25 x 73 = 1875
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You forgot to say Explain in the beginning -_-
Partial products cannot be used for a single number. They are a form of multiplication.
140 and 210
Oh, dude, comparing partial products and regrouping is like comparing apples and oranges. Partial products involve multiplying parts of numbers separately and adding them up, while regrouping is like rearranging numbers to make calculations easier. They're both methods used in multiplication, but they're as different as a cat and a dog.
Differentials can be used to approximate a nonlinear function as a linear function. They can be used as a "factory" to quickly find partial derivatives. They can be used to test if a function is smooth.