$213 \times 21 =$ is .

4, 473

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4, 453

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4, 373

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Solution

The correct option is A $4, 473$
To find: $213 \times 21$ , align the digits of the numbers according to their place value as shown in below figure,
now, we multiply the digits of top number by ones digit of buttom number one by one and write the product at respective place as shown in below figure,

now, we multiply the digits of top number by tens digit of buttom number one by one and write the product at respective place as shown in below figure,
Finally, adding the digits of same place values we will get the product as shown in below figure,

Therefore, $213 \times 21 = 4, 473$

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