If you rewrote the first expression using exponential notation, what number would be the base?
4
Look at the second, third and fourth expressions. What is similar about them and what is different?
They each have a base of 10, but the powers are different.
What do you notice about the power of 10 and the number of zeros in each of these values? Why do you think this happens?
The number of zeros is equal to the power. Possible explanation: Each time you multiply by 10, the number gets ten times greater; each zero represents this.
How can you rewrite the fifth expression using a positive exponent?
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