Answer:
3
Step-by-step explanation:
14.5% = 0.145 = 145/1000
14.5 = 14500/1000
<span>So 14.5% is a hundredth the size of 14.5, so they are not equal and the friend is incorrect.</span>
By scientific notation I am assuming you mean standard form, as that is used primarily in scientific calculations. The answer in standard form would be

I hope this helps!
There are 16 ounces in a pound, so 28 pounds is 448 ounces. Divide 448 by 8 which equals 56 ounces of dog food.