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MEB 9.1.1 · NumbersThe Exponent Laws
MEB 9.1.1 · Numbers
The Exponent Laws
Two strips of the same base. Push them together, cancel them in pairs, or watch a sum refuse to join — then take out what it shares.
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The question
Two powers with the same base — when can you make them one, and when can you not?
Think about it
Omar's book club doubles every week.
After four weeks it has sixteen members.
It keeps doubling for three more weeks.
How many members are there then?