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2 cards from this section. Quick, good the night before a test.
What is 10 × 1?
Think about how multiplying by 1 affects a number.
Is -7 × 1 equal to -7?
Remember, multiplying by 1 doesn't change the number.
What is the product of any number and 1?
Remember the definition of the multiplicative identity.
True or False: The statement 'a × 1 = a' holds for all rational numbers.
Consider if this property holds across all types of numbers.
If a rational number is doubled by a number and that new value is multiplied by 1, what will the final result be?
Break down the steps of multiplication.
Can you derive an equation where multiplying by 1 shows how to retain the value for a fraction, such as 9/4?
Consider fractions just like whole numbers in this matter.
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