The complete equation is 45 mm = 0.00045 hm
The equation is given as:
45 mm = ___ hm
As a general rule,
1 mm is equivalent to 1/100000 hm
This means that
45 mm = 1/100000 * 45 hm
Evaluate the product
45 mm = 45/100000 hm
Evaluate the quotient
45 mm = 0.00045 hm
Hence, the complete equation is 45 mm = 0.00045 hm
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