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To solve this problem, we'll divide 13 by 100 using the movement of the decimal point method:
Therefore, when dividing 13 by 100, the resulting decimal number is .
The correct answer from the given choices is choice (3), which is .
\( \text{0}.07\times10= \)
When you divide by 100, you're making the number smaller. Moving the decimal point 2 places left (because 100 has 2 zeros) gives you the correct smaller result.
Every whole number has an invisible decimal point at the end! So 13 is really 13.0, and that's where you start moving the decimal point.
Count the zeros! For 10 (1 zero), move 1 place left. For 1000 (3 zeros), move 3 places left. The number of zeros tells you how many places to move.
That's normal! When moving 13.0 two places left, you get 0.13. The zero in front is important - it shows the decimal is less than 1.
Multiply your answer by 100: . If you get back to your original number, you're right!
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