A word problem asks how tall a stack of 100,000 pennies would be. Each penny is 0.05512 inches thick. A shortcut to solve this without writing a formula is to multiply the number of pennies by the thickness of each penny.

1. A penny is 0.05512 inches thick. How tall would a stack of 100,000 pennies be?

2. In addition to writing a math problem to solve this word problem (do this in your journal), can you think of a short cut that would help you get the answer without even writing a math formula? Be prepared to share it in class.