0
Anonymous
1/8 or .125
Wiki User
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2 to the power of negative one is equal to 0.5
3
1/22
yes ma'am ADDED: The above is wrong. 2^-2 means 1/2^2 or 1/4 -2^2 can equal - 4
a, a^3*a^-2 is a^3+-2 which equals just a