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Earn +20 ptsQ: What is a factor of 3x7 equals 21?
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What is the factor tree of 21?
3x7=21 3 and 7 are prime numbers, so 3x7 is the factor tree of the number 21.
What does 3x7 equal?
3x7 = 21
How can you use 3x7 to find 6x7?
To find 6x7 using 3x7, you can simply double the result of 3x7. This is because multiplication is distributive over addition, meaning that multiplying a number by a sum is the same as multiplying the number by each addend and then adding the products. In this case, 6x7 can be thought of as (3+3)x7, which equals 3x7 + 3x7, or 21 + 21, which equals 42.
What is the answer to 3x7?
-21
What does is 3x7 equal?
21
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