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What is a decimal fraction?
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A decimal fraction is a fraction where the denominator is a power of ten, usually expressed with a decimal point.
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How do you multiply decimal fractions?
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To multiply decimal fractions, multiply them as whole numbers, then count and place the decimal point in the product based on the sum of decimal places in the factors.
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What is the product of 0.6 and 0.3?
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The product of 0.6 and 0.3 is 0.18.
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How do you determine where to place the decimal in the product?
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Count the total number of decimal places in both factors and place the decimal in the product accordingly.
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What is 0.5 multiplied by 0.2?
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0.5 multiplied by 0.2 is 0.1.
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What is an estimate of 2.3 multiplied by 4.5 without calculating the exact answer?
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An estimate would be roughly 10, as 2 times 5 equals 10.
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Is the product of two decimal numbers always smaller than both factors?
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Not necessarily. It depends on the factors. If both are less than 1, the product is smaller.
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What is 1.2 times 3.4?
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1.2 times 3.4 is 4.08.
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When multiplying 0.9 by 0.7, how many decimal places should be in the product?
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Two decimal places should be in the product.
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What is 0.25 multiplied by 0.4?
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The product is 0.10.
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How can you verify your result when multiplying decimals?
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You can verify by estimating, checking with a calculator, or reversing the operation (division).
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What happens when one decimal is multiplied by 10?
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The decimal point shifts one place to the right, effectively increasing the number by a factor of 10.
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What is the product of 3.6 and 1.5?
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The product of 3.6 and 1.5 is 5.4.
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Does multiplying by 1 change the decimal number's value?
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No, multiplying by 1 leaves the decimal number unchanged.
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What is 0.45 times 0.2?
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The product of 0.45 and 0.2 is 0.09.
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