When a decimal is multiplied by 10, every figure moves one place to the left.
When multiplying by 100, every figure moves two places to the left.
When multiplying by 1000, every figure moves three places to the left.
Which is bigger: 0.005 × 10 or 0.0004 × 1000?
The answer is 0.0004 × 1000
If you didn't get it right, remember that multiplying by 10 moves each digit one place to the left.
Therefore, 0.005 × 10 = 0.05.
Multiplying by 1000 moves each digit three places to the left.
Therefore, 0.0004 × 1000 = 0.4.
0.4 is bigger than 0.05.
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