Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 1/10 of 2/10?"
110 × 210 is 150.
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Related: 2/10×2/10 1/10×4/10 1/20×2/10 1/10×2/20 3/10×2/10 1/10×6/10 1/30×2/10 1/10×2/30 5/10×2/10 1/50×2/10 1/10×2/50 7/10×2/10 1/10×14/10 1/70×2/10 1/10×2/70
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