Answer:
Multiply it like a normal number.
Step-by-step explanation:
Take the point away in both numbers
line the numbers up and add the zero at the end of 28
multiply
add the decimal point back after solved (3 decimal points)
818
x280
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Hello, please consider the following.

Let me know if you need further explanation.
Thank you
25=2,500, 278= 27800%, 2.9=290, 3.0=300, 0.67= 67
The correct answer is (x+6)(x+7). Great job.