Question

7 centimeter 6 millimeter - 5 centimeter 9 millimeter​

Answer 1

Answer:

-3.0 × 10-5 m2

Step-by-step explanation:

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Answer 2

Answer:

1 cm 7 mm

Step-by-step explanation:

​7 centimetre 6 millimetre - 5 centimetre 9 millimetre

   7 cm    6 mm

-   5 cm     9 mm

--------------------------------------  

We can not subtract 9 mm from  6 mm

So we take 1 cm= 10 mm from left 7 cm

7 cm - 1 cm becomes 6 cm

  7-1 cm    10+6 mm

-   5 cm     9 mm

--------------------------------------

 6 cm     16 mm

-   5 cm     9 mm

-------------------------------------- Now we can subtract

  1 cm            7 mm

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