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21 multiplied by 2 is 42.

Q: What is 21 multiply by 2?

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You would get 42

How about: 2 times 21 = 42

21

First, you multiply 7X3. then multiply the answer(21) by 2. then multiply that answer(42) by 3. Then the next answer(126) by 2. and so on.

221 is equal to 2,097,162. To find this, you would need to multiply 2 by 2, 21 times.

Multiply 21 with the numerator (2), then divide the result by the denominator (3).

2*21 = 42

2 when multiplied by 21 = 42

28 and -7

the easiest way to find out is copy dot flop 2/7 * 1/21 then you multiply across to get 2/147

-4 and -17

21 multiply by 10 = 210