The milliliters of hot air that a balloon's gondola is suspended below is 2775millilitres.
Litres and millilitres are both unit of measures of volume.
According to this question, a hot air balloon's gondola is suspended below a cloth envelope containing 2.775 x 10⁰ liters of hot air.
The conversion factors of litres to milllilitres;
1000mL = 1L
2.775 × 10⁰ × 1000 = 2775millilitres
Therefore, the milliliters of hot air that a balloon's gondola is suspended below is 2775millilitres.
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