Question

Solve 220 x 12 + 280 x 18 using property. Also tell which property you are using. Show step by step explanation.

Answer 1

220

*12

=2640

280

*18

=5040

5040+2640 =7680

Answer 2

Answer:

220×12+280×18 = 220(10)+220(2)+280(10)+280(8)

220×12+280×18 = 2200+440+2800+7440

Therefore the value is 12880.

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Step-by-step explanation: