To get 10% of your calories from polyunsaturated fats you would need to eat 200 calories worth. So 1 serving of walnuts would give you 180 calories. So one serving of walnuts would be 9% of your daily calories.
You can try to use the internet for the answer to some of those questions.
Here is ur answer
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Multiplication property; distribution property of an exponent. Multiply exponents together, then distribute the ¨( )¨
