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Cecilia's Random Thoughts
Wednesday, September 30, 2015
Power fractions
Problem:
12
9
12
2
Solution:
When you divide, power subtracts, so think of
12
×
12
×
12
×
12
×
12
×
12
×
12
×
12
×
12
12
×
12
=
12
×
12
×
12
×
12
×
12
×
12
×
12
=
12
7
.
Or more succinctly,
12
9
12
2
=
12
9
−
2
=
12
7
.
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