Question

312 = 3x ___ + 1 x 10 + 2 x 1

what will come in after 3x? in the blank?​

Answer 1

Answer:

100 will come in the blank

Answer 2

SOLUTION

TO FILL IN THE BLANK

What will come in after 3 ×

$\sf 312 = 3 \times - - + 1 \times 10 + 2 \times 1$

EVALUATION

Here the given number is 312

We expand the number as below

$\sf 312$

$\sf = 300 + 10 + 2$

$\sf = (3 \times 100) + (1 \times 10) +( 2 \times 1)$

Thus we can conclude that

$\sf 312 = (3 \times \underline{100} \: ) + (1 \times 10) +( 2 \times 1)$

FINAL ANSWER

100 will come in after 3 ×

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