Final answer:
To multiply decimal numbers, simply multiply them as usual and then count the decimal places in the original numbers.
Step-by-step explanation:
To multiply these numbers, you can simply multiply them as decimal numbers, and then count the number of decimal places in the original numbers.
I. 0.070125 x 1.225 = 0.08578125
II. 0.070125 x 2.268 = 0.158997
III. 0.070125 x 520.38 = 36.521775
IV. 0.070125 x 6488.875 = 455.553844375