Seudónimo Seudónimo

22-04-2018
Mathematics

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Which number is equivalent to the expression 13+23 x 19-7)? A. 677 B. 443 C. 432 D. 289

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Supernova Supernova

22-04-2018

13 + 23 · (19 - 7)

Do the parentheses first.

13 + 23 · (12)

Now do multiplication.

13 + 276 = 289

The answer is D) 289.

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