Read the length of the metal bar with the correct number of significant figures. 
Definitions:
Interest
A psychological state of engagement and curiosity towards certain subjects, objects, or activities, driving the motivation to learn or be involved.
Bipolar Disorder
A mental health condition characterized by extreme mood swings that include emotional highs (mania or hypomania) and lows (depression).
Manic Episode
A period characterized by abnormally elevated mood, energy, and activity levels, often found in bipolar disorder.
Flamboyant
Tending to attract attention because of their exuberance, confidence, and stylishness; often brightly colored or elaborately decorated.
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