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Decimals, SM-Bank 071

Calculate

  1. \(0.24\times 10\)  (1 mark)
  2. \(13.4\times 100\)  (1 mark)

  3. \(242.52\times 1000\)  (1 mark)

Show Answers Only

a.    \(2.4\)

b.    \(1340\)

c.    \(242\ 520\)

Show Worked Solution

a.    \(0.24\times 10=2.4\)

\(\text{(Multiplying by 10 “moves” the decimal point 1 place to the right.)}\)

b.    \(13.4\times 100=1340\)

\(\text{(Multiplying by 100 “moves” the decimal point 2 places to the right.)}\)

c.    \(242.52\times 1000=242\ 520\)

\(\text{(Multiplying by 1000 “moves” the decimal point 3 places to the right.)}\)