What are the partial products of 42times28

Step-by-step explanation:

42 × 48

(40 + 2) × (40 + 8)

40 × (40 + 2) = (40 × 40) + (40 × 2) = 1600 + 80 = 1680

8 × (40 + 2) = (40 × 8) + (2 × 8) = 320 + 16 = 336

Then 1680 + 336 = 2016

step-by-step explanation:

it's is b

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