To solve the expression \( 6.9 - 2^0 \), we first need to evaluate \( 2^0 \).
Recall that any non-zero number raised to the power of 0 is equal to 1. Therefore,
\[ 2^0 = 1 \]
Now we can substitute this back into the expression:
\[ 6.9 - 2^0 = 6.9 - 1 \]
Subtracting 1 from 6.9 gives us:
\[ 6.9 - 1 = 5.9 \]
So the value of \( 6.9 - 2^0 \) is 5.9.
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