Sydney placed 10 guppies in a fish tank. She recorded the number of guppies in the tank over a period of 4 weeks in the table. Number of Weeks
01
2
3
4
Number of Guppies 10 30 90 270 810
Create an explicit formula for the number of guppies in the tank in terms of the number of weeks, n.
Drag numbers, expressions, and symbols to the line to show the formula,

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