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Big Powers

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Can you find what the last two digits of the number $4^{1999}$ are?

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Tenth Power

Weekly Problem 48 - 2011
Do these powers look odd...

Megabytes and Kilobytes

Age 11 to 14 Short Challenge Level:

$1$ kilobyte is actually not $1000$ bytes, it is $2^{10}$ bytes.

$1$ megabyte is $2^{10}$ kilobytes.

How many bytes are there in $1$ megabyte?

This problem is adapted from the World Mathematics Championships
You can find more short problems, arranged by curriculum topic, in our short problems collection.