Originally Posted By: LMom
DS6 solved the following problem yesterday

How many digits does a number 2^k - 1 written as a binary number have?

There are days when I seriously worry that filling out gaps in the 5th grade math (we homeschool) bores him to death.


Wow! That is SOOOOO cool! smile He's such an amazing kid.
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Kriston
Mom to DS13 and DS10