Whole Numbers
Base 10 · Base 2 · Base 5
Write a number in expanded form using powers of 10, 2 and 5
Change a decimal number into binary
Change a decimal number into base five
Move back and forth between binary and base five
In 1256 the 6 means ones, the 5 tens, the 2 hundreds and the 1 thousands
Each place is a power of 10: \( 10^0, 10^1, 10^2, 10^3 \)
Where a digit sits is what decides its value
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