N=1/2MP? Since n would be the midpoint you have to divide the segment into two.
Hope this is what you were looking for:)
Because empty set has no element which automatically make it a subset of every set.
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Step-by-step explanation:
1 m = 100 cm So
48 × 100 = 4800 cm
1m = 1000mm
456 mm into m
= 456 ÷ 1000
= 0.456 m