7 X 10^-6 mol CH3CH2OH (6.022 X 10^23/1 mol CH3CH2OH)
= 4 X 10^18 molecules
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When a negative number is raised to an even power the result is a positive number
No, a number raised to a negative exponent is less than 1. When a number is raised to a negative exponent, it is inverted and the exponent becomes positive. This means that the value of the number decreases as the exponent becomes more negative.
No. Negative numbers to even powers are positive.
yes, but the answer will remain negative. for example, (-2)3 is -8 in order to make a negative number positive, it must be raised to an even power, for example (-2)2 = 4
It is the positive form of the number raised to that power, multpilied by -1 raised to that power.