2 years ago

Sam evaluated the expression x2y for x = 7 and y = 9. He got a value of 49. Which of the following statements is correct?

1 answer:

3 0

Sam forgot to multiply

he added x and 2, which is actually 7 and 2, and multiplied that by 9
however, he was supposed to multiply 7 and 2 and 9 all together

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