Posted by Cynthia on Saturday, February 23, 2008 at 7:15pm.
-7^ (-2), put it divided by 1.
-1/(7^2) when you place the exponent to the denominator, change the sign, same goes if you have a negative exponent on the denominator, bring it to the numerator and change the sign.
-1/49
(3/4)^(-1). Just switch the fraction to
4/3 , because its the whole fraction raised to -1.
if ( 3^(-1) ) / 4 ==> 1/(3*4)=1/12
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