He has 420 cards. if you have 30 packs and 14 in each just 30*14
The answer would be C. 73.6. If you use the correct math without rounding it would be 73.5792. Hope this helps!
Here are the basic steps to follow to simplify an algebraic expression:<span>remove parentheses by multiplying factors.
use exponent rules to remove parentheses in terms with exponents.
combine like terms by adding coefficients.
<span>combine the constants.</span></span>
Answer:
<em>Answer is </em><em>given below with explanations</em><em>. </em>
Step-by-step explanation:
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