The expression 15w+65 factored using the GCF is what?
2 answers:
Keywords:
<em>Expression, variable, factor, GCF, factor </em>
For this case we have an expression with a variable, in which we must factor the expression using the greatest common factor. By definition we have that the GFC of two numbers is the largest number that is a factor of both numbers.
Having said that we have the following expression:
So the greatest common factor between 15 and 65 is 5. So:
Answer:
The greatest common factor of the expression is 5, then:
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Answer:
1/729
Step-by-step explanation:
According to the Order of Operations, the expression will be evaluated like this.
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If you were to combine exponents before doing the evaluation, you would have ...
(9^3·9^1·9^0·9^-4·9^1)^-3 = 9^((3+1+0-4+1)·(-3)) = 9^-3 = 1/729
Note that the 9^1 term in the original expression is <em>not in the denominator</em>. The preceding division is done before the result is multiplied by 9^1, <em>according to the order of operations</em>.
Some authors use the ÷ symbol to mean "everything on the left divided by everything on the right". Some students fail to put needed parentheses around denominators. As a consequence we're not sure precisely what it is we're supposed to evaluate without seeing the original typeset expression.