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Explain why the expression 7*3^x is not equal to the expression 21^x
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4 votes
Explain why the expression 7*3^x is not equal to the expression 21^x

User Putzi San
by
8.4k points

1 Answer

6 votes
According to the order of operations, exponents must be evaluated before multiplication.

Here's and example where x=2.
7*3^2
7*9
63

21^2=441

63 does not equal 441
User Another Dude
by
8.8k points
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