The product of 9 and a number decreased by ten in an algebraic formula

Mathematics

1 answer:

lapo4ka [179]1 year ago

4 0

Answer:

9n -10

Step-by-step explanation:

If n represents the number, the product of the number and 9 is 9n. That value decreased by 10 is ...

9n -10

_____

<em>Additional comment</em>

The English expression is ambiguous in that we cannot tell if the number is decreased by 10 before becoming part of the product (9(n-10)), or if the correct interpretation is the one shown above. The order of operations is used as a guide, telling us that the multiplication is done before the subtraction since there is no indication of grouping.

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