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Multiplying decimals

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Concept 1 of 3 · no score 🙂

Ignore the point first

Count the decimal places in — put the same number back1 · ignore the point476 × 37 = 176122 · count the places3.7 has 1476 × 3.7 = 1761.21 place0.002 × 4 → 3 places → 0.008
1.80 and 1.8 are the same — the trailing zero adds nothing.
  1. 1To work out 0.002 × 4, first do 2 × 4 = 8.