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Q: What is 21 multiplied by 3?

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These pairs of numbers when multiplied equal 168: (1, 168) (2, 84) (3, 56) (4, 42) (6, 28) (7, 24) (8, 21) (12, 14)

3 squared is 3 to the 2nd power, or 3 multiplied by 33 squared=3x3=93 cubed is 3 to the 3rd power or 3 multiplied by 3 multiplied by 33 cubed=3x3x3=27

15x

3c

2x-3=10x+21 2x-3-2x=10x+21-2x -3=8x+21 -3-21=8x+21-21 -24=8x -3=x

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2/7 * 21/50 = 3/25

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