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Which of the following best describes the expression 7*+ 2?

a) The sum of two products; there are two terms.
b) The product of two sums; there are two terms.
c) The sum of two products; there are four terms.
d) The product of five sums; there are four terms.

User Kern Cheh
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Final answer:

The expression '7* + 2' is best described as 'The sum of two products; there are two terms' because it includes the multiplication of 7 by an unspecified positive number, adding 2 to this product.

Step-by-step explanation:

The expression in question is '7* + 2'. To determine what this expression represents, let us interpret each component of it. First, the asterisk (*) generally denotes multiplication, and when two positive numbers multiply, the result is positive, according to the rules of multiplication. If we assume '*' represents a positive number, this expression proposes the multiplication of 7 by some unknown positive number. Next, the '+' sign indicates that we will then be adding 2 to the result of the multiplication. Given this information, we can infer the characteristics of the expression. It comprises one term which is a product (7 multiplied by some number) and another term, which is simply the number 2. These two terms are then added together. Since we are combining a product and a single term, the best description for '7* + 2' is a sum comprising a product and a number. Therefore, among the given options, the correct one is (a) The sum of two products; there are two terms. This is the best description because we have the product of 7 and an unspecified number, and we are adding 2 to this product, resulting in two terms within the expression.

User Carlos Chaguendo
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