SOLUTION: How would you evaluate this expression? 4 with an exponent of -2 minus 4 with an exponent of -1

Question 111065: How would you evaluate this expression?
4 with an exponent of -2 minus 4 with an exponent of -1
Found 3 solutions by stanbon, checkley71, MathLover1:
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
evaluate this expression?
4 with an exponent of -2 minus 4 with an exponent of -1
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4^(-2) - 4^(-1)
= 1/16 - 1/4
= 1/16 - 4/16
= -3/16
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cheers,
Stan H.
Answer by checkley71(8403)   (Show Source): You can put this solution on YOUR website!
4^-2-4^-1
1/4^2-1/4
1/16-1/4
(1-4)/16
-3/16 ANSWER.
Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!

= �
= -��.multiply by to get denominator
and it will be:
= �
=

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