Write the phrase "the product of 19 and a number" as a mathematical expression.

Phrase : "the product of 19 and a number"

Mathematical expression : 19A

Step-by-step explanation:

Phrase : "the product of 19 and a number"

The product of two numbers a and b can be written as a x b = ab

To find Mathematical expression

Let A be a number,

The product of number with 19 can be written as

19 x A = 19A

Therefore the given phrase "the product of 19 and a number" as a mathematical expression = 19A