Accepted Answer
The expression that shows the number of baseball cards is 12nHow make an expression that shows how many baseball cards?An algebraic expression in mathematics is an expression that is made up of letters and numbers, along with algebraic operations (addition, subtraction, multiplication, etc). Expressions are made up of termsGiven that: Carter bought p packs of baseball cards and there are 12 cards in each packTo know the number of baseball cards, we have to multiply the number of packs by the number of cards in each pack:Since the number of packs = n and the number of cards in each pack = 12. Thus, total number of baseball cards = 12 x n = 12nTherefore, the expression that shows how many baseball cards Carter bought is 12nLearn more about algebraic expressions on:https://brainly.com/question/4344214#SPJ1