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  • 19-09-2018
  • Mathematics
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mark wrote the highest score he made on his new video game as the product of 70 times 6000. use the associative and commutative properties to show how mark can calculate this product mentally

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s1m1
s1m1 s1m1
  • 19-09-2018
70•6000=
7•10•6•1000 = now we commute some numbers;

7•6•10•1000= now we associate 7•6 and 10• 1,000;

42• 10, 000= 420, 000
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