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Hae Suk flips a penny, a nickel, and a dime. How many ways can she get at least two heads?

 Apr 24, 2020
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She can get a head on the penny and a head on the nickel.

She can get a head on the penny and a head on the dime.

She can get a head on the nickel and a head on the dime.

She can get heads on all three coins.

 Apr 24, 2020

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