Final answer:
When dividing and the decimal is in the dividend only, the decimal point is brought straight up to the quotient to maintain the number's place value.
Step-by-step explanation:
When there is a decimal in the dividend only, we move the decimal point up to the quotient. In the case of division, the decimal point in the dividend (the number being divided) follows directly up into the quotient (the result of the division). For example, if we divide 12.5 by 5, we would move the decimal point straight up from the dividend to the quotient. Therefore, 12.5 ÷ 5 = 2.5. This ensures that the quotient maintains the appropriate place value and reflects the actual magnitude of the dividend.