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22 hm 8 dam is equal to :

  • A.22800 m
  • B.2208 m
  • C.2280 m
  • D.22080 m

Answer: C

22 hm 8 dam is equal to 2280 m.

One hectometre is 100 m and one decametre is 10 m:

\[ 22 \times 100 + 8 \times 10 = 2200 + 80 = 2280\ \text{m} \]

2208 m treats dam as metres, and 22800 m and 22080 m multiply by the wrong powers of ten.

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