McGraw Hill Glencoe Algebra 1, 2012
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McGraw Hill Glencoe Algebra 1, 2012 View details
2. Order of Operations
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Exercise 15 Page 13

a^2=a* a

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Practice makes perfect
The expression 7^2, or 7 squared, means that we multiply 7 by itself.

7^2=7* 7 To calculate this, we can type either 7^2 or 7* 7 in the calculator. Both expressions give us the same answer.