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MEB 9.1.1 · NumbersPowers: What They Really Mean
MEB 9.1.1 · Numbers
Powers: What They Really Mean
A strip of equal factors, written short. Change the base, change the exponent, move the minus sign — then divide back down and fall past zero.
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The question
What does a power really mean, and what happens if you run it backwards?
Think about it
Yousef hears some news at first break. He tells two friends.
At the next break, each friend tells two more people.
This keeps going at every break, all day.
How many people hear the news at the fifth break?